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The 8 Best automotive engine conversion gasket sets of 2025

Are you trying to find automotive engine conversion gasket sets among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling automotive engine conversion gasket sets on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 18 hours of research and did 59 automotive engine conversion gasket sets tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best automotive engine conversion gasket sets you can buy today

SaleNo. 1
LIMICAR Engine Conversion Lower Gasket Set CS5975A CS9284 Compatible with 1997-2011 GMC Fits Ford Isuzu Saab 5.7L 6.0L 6.2L OHV LS3 VIN H M
  • ✅FIT FOR: 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Chevrolet GMC Ford Isuzu Saab Engine Conversion Gasket Set
  • ✅OE/INTERCHANGE PART NUMBER: CS5975A, CS9284, CS5975, C293CS-A, 260-1912, 09-20902
  • ✅SPECIFICS: LIMICAR Head Gasket prevents liquids and gases from escaping into adjacent cylinders and the surrounding oil and coolant galleries.The purpose is to seal the cylinders to ensure maximum compression and avoid leakage of coolant or engine oil into the cylinders.They are designed without a metal core, to allow engine builders to trim the gasket for exact fit on modified ports.
  • ✅FUNCTION: LIMICAR Head Gasket systems can withstand high pressures, high temperatures and aggressive media of a car. Cylinder head gaskets also act as a force transmission element. LIMICAR give technicians not only the gaskets the project requires, but the very best technology available.
  • ✅NOTICE: Please check the description and compatibility chart before your purchasing. All the products have been inspected before sending out. Instruction is not included. Professional installation is highly recommended. Any questions, please feel free to contact with us.
No. 2
FEL-PRO CS 9284 Conversion Gasket Set
43 Consomer Reviews
FEL-PRO CS 9284 Conversion Gasket Set
  • FEL-PRO CS 9284 Engine Conversion Gasket Set for Chevrolet Silverado 1500
  • COMPATIBILITY – Fits 2003-2006 Isuzu Ascender; 2004-2007 Buick Rainier; 2008-2009 Buick LaCrosse; 2008-2009 Buick Allure; 2003-2006 Cadillac Escalade ESV; 2007-2014 Cadillac Escalade ESV; 2002-2006 Cadillac Escalade EXT; 2007-2013 Cadillac Escalade EXT; 2
  • GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
  • Conversion Sets (CS) provide every gasket for lower engine work - add a Head Set (HS) for complete engine overhaul work
  • Unsurpassed quality you can trust
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Includes all the parts necessary to complete the repair unless otherwise noted
No. 3
Vincos HS26157PT CS26157 ES71129 Head Gasket Set w/Bolts kit Conversion Gasket Set Compatible with Ram 1500 2002 2003 Durango/Dokota 00 01 02 03 Grand Cherokee 99-03 4.7L V8
  • ✔ 【 SEALED WELL】It securely seals the gasket set so that oil leaks will be prevented each time it pools lubricant oil as it goes to the cylinder head's drain back opening. Aside from oil, this gasket also helps prevent the entry of other harmful materials to the valve train.
  • ✔ 【HIGHLY DURABLE】It is highly durable and less prone to breakage. to provide exceptional service life and reliability.【NOTE】The attachment to the gasket set must be just right-not too tight and not too loose. Any of these two conditions can ruin the gasket's efficiency; consequently, the valve cover itself.
  • ✔ 【WITHSTAND HARSH CONDITIONS】Advanced manufacturing technology ensures durability and optimum operation in higher or lower temperatures.
  • ✔ 【PROFESSIONAL CUSTOMER SERVICE】Vincos has the professional production technology.We inspected every product before sending out,to ensure you have the best quality product,and the best value.If you have any problem please contact us.For more effectively helpness, please let us know your car make model and show the issue by pictures .We would take highly attention of your opinions and demands,to improve our products and service for you.Enjoy your shopping time.
  • 【Interchange Part Number】HS26157PT, CS26157, ES71129, FSGM30400N, HBGM30400【Compatible with】1500 PICKUP 4.7L【Include】Head Gasket Bolts kit:head gasket;Intake manifold gasket;Exhaust manifold gasket;Valve cover gasket;Viton valve stem seals;Camshaft front;O-rings;Front & Rear Seal Gasket;Water Pump Gasket;Timing Cover Gasket;Other Small Gaskets;Long Head Bolts
SaleNo. 4
MAHLE Original CS54204A Engine Conversion Gasket Set
  • MAHLE Original gaskets provide world class sealing products trusted by OEMs & Technicians around the globe
  • All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE Original gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE Original gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE Original gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
SaleNo. 5
MAHLE CS54450 Engine Conversion Gasket Set
14 Consomer Reviews
MAHLE CS54450 Engine Conversion Gasket Set
  • product type: auto part
  • package dimensions: 5.08 l x 39.37 w x 60.96 h (centimeters)
  • package weight: 1.202 kilograms
  • country of origin: taiwan, province of china
  • Fit type: Vehicle Specific
SaleNo. 6
MAHLE Original CS54657 Engine Conversion Gasket Set
  • MAHLE Original gaskets provide world class sealing products trusted by OEMs & Technicians around the globe
  • All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE Original gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE Original gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE Original gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
No. 7
MAHLE Original CS5975A Engine Conversion Gasket Set
6 Consomer Reviews
MAHLE Original CS5975A Engine Conversion Gasket Set
  • All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE Original gaskets utilizes OE equivalent or better materials in all our gaskets
  • Conversion lower (CS) set contains gaskets & seals to service the lower end of the engine block.
  • The contents of MAHLE Original gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
No. 8
G-PLUS Engine Conversion Gasket Set Lower Gasket Set Compatible with Ford Explorer 1997-2009/Fit Ford Mustang 4.0L 2005-2009/Fit Ford Ranger 4.0L 2000-2009 CS9293, CS9293-1, CS24003, CS6-20700
  • Applicability:Compatible with Ford Explorer Sport Trac 4.0L 2001-2008.Compatible with Ford Explorer 4.0L 1997-2009.Compatible with Ford Mustang 4.0L 2005-2009.Compatible with Ford Ranger 4.0L 2000-2009.Compatible with Land Rover LR3 4.0L 2005-2007.Compatible with Mazda B4000 4.0L 2001-2009.Compatible with Mercury Mountaineer 4.0L 1998-2009.
  • Interchange Part Number:CS9293, CS9293-1, CS24003, CS6-20700
  • Durable Materials:Made of high-quality metal and NBR materials that exhibit excellent heat resistance and sealing properties.
  • Feature:It can resist deformation under pressure and temperature fluctuations, ensuring long-lasting sealing performance throughout the entire service life of the engine.
  • It securely seals the gasket set so that oil leaks will be prevented each time it pools lubricant oil as it goes to the cylinder head's drain back opening.This gasket also helps prevent the entry of other harmful materials to the valve train.
No. 9
FEL-PRO 17102 Conversion Gasket Set
1 Consomer Reviews
FEL-PRO 17102 Conversion Gasket Set
  • FEL-PRO 17102 Engine Conversion Gasket Set
  • COMPATIBILITY – Fits
  • GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
  • Conversion Sets (CS) provide every gasket for lower engine work - add a Head Set (HS) for complete engine overhaul work
  • Unsurpassed quality you can trust
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Includes all the parts necessary to complete the repair unless otherwise noted
No. 10
FEL-PRO 17140 Conversion Gasket Set
  • FEL-PRO 17140 Engine Conversion Gasket Set
  • COMPATIBILITY – Fits
  • GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
  • Conversion Sets (CS) provide every gasket for lower engine work - add a Head Set (HS) for complete engine overhaul work
  • Unsurpassed quality you can trust
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Includes all the parts necessary to complete the repair unless otherwise noted
No. 11
MAHLE Original CS4068 Engine Conversion Gasket Set
5 Consomer Reviews
MAHLE Original CS4068 Engine Conversion Gasket Set
  • MAHLE Original gaskets provide world class sealing products trusted by OEMs & Technicians around the globe
  • All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE Original gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE Original gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE Original gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
No. 12
Niyako Engine Conversion Lower Gasket Set Replacement# 𝐂𝐒𝟓𝟗𝟕𝟓𝐀 𝐂𝟐𝟗𝟑𝐂𝐒-𝐀 𝐂𝐒𝟗𝟐𝟖𝟒 𝐂𝐒𝟓𝟗𝟕𝟓 Fit 1997-2011 Chevy GMC Cadillac CTS Saab 5.7L 6.0L 6.2L
7 Consomer Reviews
Niyako Engine Conversion Lower Gasket Set Replacement# 𝐂𝐒𝟓𝟗𝟕𝟓𝐀 𝐂𝟐𝟗𝟑𝐂𝐒-𝐀 𝐂𝐒𝟗𝟐𝟖𝟒 𝐂𝐒𝟓𝟗𝟕𝟓 Fit 1997-2011 Chevy GMC Cadillac CTS Saab 5.7L 6.0L 6.2L
  • Niyako specializes in the sale Superior Qualities of auto parts and accessories.
  • Dependentable Performance, keeping your vehicle in tip-top condition at all times.
  • Replacement Part Numbers: C293CSA, CS5975, CS9284, CS5975A, C293CS-A, 09-20902.
  • Make sure this part fit your vehicle, please enter your vehicle model in the Confirmed fit tool for verification.
No. 13
MAHLE Original CS54580 Engine Conversion Gasket Set
2 Consomer Reviews
MAHLE Original CS54580 Engine Conversion Gasket Set
  • MAHLE Original gaskets provide world class sealing products trusted by OEMs & Technicians around the globe
  • All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE Original gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE Original gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE Original gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
No. 14
FEL-PRO 17116 Conversion Gasket Set
  • FEL-PRO 17116 Engine Conversion Gasket Set
  • COMPATIBILITY – Fits
  • GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
  • Conversion Sets (CS) provide every gasket for lower engine work - add a Head Set (HS) for complete engine overhaul work
  • Unsurpassed quality you can trust
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Includes all the parts necessary to complete the repair unless otherwise noted
No. 15
MAHLE Original CS54556 Engine Conversion Gasket Set
  • MAHLE Original gaskets provide world class sealing products trusted by OEMs & Technicians around the globe
  • All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE Original gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE Original gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE Original gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
No. 16
FEL-PRO 17100 Conversion Gasket Set
  • FEL-PRO 17100 Engine Conversion Gasket Set
  • COMPATIBILITY – Fits
  • GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
  • Conversion Sets (CS) provide every gasket for lower engine work - add a Head Set (HS) for complete engine overhaul work
  • Unsurpassed quality you can trust
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Includes all the parts necessary to complete the repair unless otherwise noted
No. 17
ECCPP Engine Replacement Head & Lower Conversion/Full Gasket Bolts Set Compatible with 2012 for Buick for LaCrosse 4-Door 3.6L Convenience Sedan
16 Consomer Reviews
ECCPP Engine Replacement Head & Lower Conversion/Full Gasket Bolts Set Compatible with 2012 for Buick for LaCrosse 4-Door 3.6L Convenience Sedan
  • AUTOMOTIVE REPLACEMENT HEAD GASKET SETS/KIT - The head gasket prevents liquids and gases from entering adjacent cylinders and surrounding oil and coolant channels. The goal is to seal the cylinder to ensure maximum compression and to prevent coolant or engine oil from leaking into the cylinder. ECCPP gaskets use high-quality materials such as rubber, graphite, and metal to apply tight manufacturing techniques so that the gasket fits precisely on the modified port.
  • ENGINE TIMING PART CHAIN/BELT KIT - ECCPP timing part kit are constructed of premium materials to ensure that they can withstand the high pressure, high temperature and corrosive media of the car, ensuring excellent service life and reliability. Designed to withstand the harsh conditions of modern engine compartments, ensuring durability and optimum operation at higher or lower temperatures. ECCPP aims to save money and time for technicians by providing precise gaskets.
  • HEAD BOLTS&STUDS SETS/KIT - The tooth space of ECCPP bolts is uniform, and it has high stress balance strength, besides, the torsional force value of each bolts is large, which makes them unbreakable thus solve the problem of sliding screw and make it easy to twist them tight when installing; Long-term work will not be affected by external temperature or destroy its performance since these bolts not only has high hardness and toughness but also highly friction resistant.
  • ECCPP GASKET SETS TYPES - We provide various types of engine sealing gasket sets for your better choice like: a. single Graphite & MLS head/ valve cover/ timing cover/ oil pan gasket; b. Head Gasket Sets, Full Gasket Sets, Lower Conversion Gasket Sets; c.Timing Chain/ Belt Kit & Head/ Full Gasket Set & Head Bolts Set & Water Pump. That would better to rebuild your engine with our engine parts.
  • IMPORTANT NOTES BEFORE PURCHASING - 1.Please kingly check the fitment information of this set, using the dropdown fitment chart to confirm the compatibility; 2.Please refer to the first product image for the components list of this set; 3.We always check every set before shipment, if there are any defects upon receiving or any other quality problems of our gaskets, please kindly massage us for a replacement or refund, we will solve your problems patiently.
No. 18
Ajusa Engine Conversion Gasket Set 54064300
  • OE quality conversion gasket set
  • Vehicle specific
  • Direct replacement for the original component
  • Includes all the gaskets needed to reseal the short block
  • Ajusa offers excellent coverage for European and Asian vehicles in the United States and Canadian marketplace
  • (Playback Language)
  • French (Publication Language)
No. 19
YIDEZU Engine Conversion Lower Gasket Set for Chevrolet Buick Hummer GMC Pontiac 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LS4 LS5 LS6 CS5975A CS9284
  • Compatible with:Chevrolet Buick Hummer GMC Pontiac 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LS4 LS5 LS6
  • Premium Gasket Material:The LS Gasket Set are constructed of premium materials and use advanced process manufacturing technology and precise alignment technology, allowing the gasket to be firmly attached to the cover and accurately mounted to the port.
  • Replacement: 100% brand new
  • OE number : CS5975A CS9284
  • Easy to install : Replace the damaged Gasket Set Directly.
No. 20
FEL-PRO CS 9284-1 Engine Conversion Gasket Set
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted

How to choose a good automotive engine conversion gasket sets

Does the idea of finding a fantastic automotive engine conversion gasket sets make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in automotive engine conversion gasket sets. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top automotive engine conversion gasket sets products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top automotive engine conversion gasket sets on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top automotive engine conversion gasket sets brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top automotive engine conversion gasket sets based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the automotive engine conversion gasket sets were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good automotive engine conversion gasket sets, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your automotive engine conversion gasket sets.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive engine conversion gasket sets for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our automotive engine conversion gasket sets. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what automotive engine conversion gasket sets should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on automotive engine conversion gasket sets.