Search

*Disclaimer: Tossions earns a commission from qualifying purchases.

The 8 Best automotive engine connecting rod nuts of 2025

Are you trying to find automotive engine connecting rod nuts 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 connecting rod nuts 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 27 hours of research and did 18 automotive engine connecting rod nuts 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 connecting rod nuts you can buy today

No. 1
Dorman 635-002 Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In. Compatible with Select Models, 25 Pack
  • Direct replacement - this engine connecting rod nut matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution - this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
No. 2
207 Locking Wheel Nut Covers,Alloy Wheel Nuts Plastic,Automotive Engine Connecting Rod Nuts,20Pcs Wheel Nut Rim Cover Tyre ScrewDecor For 307 308 408 206 207
  • Replacement for missing or broken wheel lug nut covers. - door block 206
  • Direct Replacement: Designed as a direct replacement for your old or worn wheel nut rim cover. Based on the original factory specifications, a direct replacement for the old or broken.
  • Clean Easily---- Just Clean the Tyre Screwwith a little soap and warm water,conveient to clean.
  • [Fitment]Wheel Center Hub s fits for 307 308 408 206 207. Bring old lug nuts back to life by hiding rust, scratches, and normal wear.
  • Direct replacement Designed as direct replacement for your old or worn Wheel Nut Rim Cover. Based on the original factory specifications, a direct replacement for the old or broken one.
SaleNo. 3
Crown Auto Crown Tie Rod End Nut
  • Make: Jeep
  • : 12 Month
  • High quality construction.
  • Color: Unpainted
  • Construction: Metal Steel
No. 4
Connecting Rod Bolts for Honda & Acura Fits 1.2L,1.6L, 1.8L, & 2.0 4 Cylinder Engines | Includes Socket & Assembly Lubricant CP988
  • DIRECT FIT COMPATIBILITY - Fits with a range of 4 cylinder engines, including 1.2L, 1.6L, 1.8L, and 2.0L models in Honda and Acura vehicles.
  • UNRIVALVED DURABILITY - Our precision-engineered Xotic Performance connecting rod bolts are heat-treated and precisely designed to withstand fatigue, providing unrivaled durability and strength. Unlike standard OEM fasteners, our bolts are designed to handle the extra stress of high-performance engines, ensuring long-lasting performance and reliability.
  • MAXIMUM STRENGTH - Our connecting rod bolts feature fine threads with close pitch, maximizing their strength and allowing for secure tightening between the piston assembly and crankshaft. This fine-thread design provides superior strength compared to standard OEM fasteners, ensuring that your engine operates at its maximum potential.
  • IMPROVED ENGINE STABILITY - By improving engine stability and strength, our connecting rod bolts provide a smoother, more responsive ride, ensuring that your Honda or Acura delivers the performance you demand. With our bolts, you'll experience improved acceleration, reduced vibration, and enhanced overall vehicle performance.
  • EASY INSTALLATION - Our package includes 8 connecting rod bolts, 8 nuts, 1 fastener assembly lubricant, 1 socket, and 1 manual, making it easy to upgrade your engine's performance with Xotic Performance. With our detailed manual and all the necessary components included, you can install our bolts with confidence, ensuring that your Honda or Acura is operating at its best.
No. 5
J MARTIN AUTO Replacement Connecting Rod Bolts and Nuts Set Compatible with Early Model Small Block Chevy's.
  • OE Replacement bolts and Nuts for all 1968-1996 connecting rod with 3/8-24 bolts.
No. 6
ARP 1546022 High Performance Connecting Rod Bolts, 2 Pieces, For Select Ford Small Block Applications
  • Connecting rod bolts are the most important fasteners in your engine, the key to the entire rotating assembly
  • Replacing inferior OEM fasteners can help you avoid catastrophic engine failure
  • Manufactured from a heat-treated premium grade 8740 alloy chrome moly steel
  • Rated in the 200,000 psi range, which is considerably stronger than OEM or even Grade 8 hardware
  • Includes two bolts, enough for one connecting rod
No. 7
Small Block Chevy Connecting Rod Bolts, 3/8 Inch Diameter
  • Made from special alloy steel
  • Heat-treated with cryogenic freezing for long lasting endurance
  • 100% megalux inspected
  • Comes with Grade-8 self-locking nuts
  • Set for eight rods
SaleNo. 8
GM Genuine Parts 11548432 Connecting Rod Bolt
  • Fastens vehicle's components together
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
No. 9
Connecting Rod Bolts Set of 16 Compatible with 2007-15 Chevy GM 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LS6 L99
  • Same OE Rod bolt as GM OE 11570662
  • Rod Bolt Material: chromoly steel M9 X 44 X 13
  • Cap Retention Style: Cap screw 6 point. New style, Contains Retaining ring
  • Fits 2007-2015 GM 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LS6 L99 engines
  • 2nd design with retaining sleeve ring.
No. 10
Yiklwwy 077105425E WHT006219 Connecting Rod Bolt Kit Compatible with Audi A3 A4 Avant Quattro A5 A6 TT​ VW Bora CC Eos Golf Jetta Passat Sharan Touran Skoda Seat
  • Part Number: 077105425E,077 105 425 E, WHT006219,WHT 006 219, 95510242510,955 102 425 10
  • Interchange Part Number: 038.900,VWWHT006219, COB00700,WG2047403
  • Material:Cast Iron.Color:Black
  • Size: STD.Bolt Head/Nut Shape:Double Hexagon, Thread Length:44.00mm/1.73",Length:50.00mm/1.97",Thread Size:M8 x 1.00
  • Package Includes:8 Pcs Connecting Rod Bolt x1
No. 11
Genuine Connecting Rod Nut
  • Coated to protect against rust and corrosion
  • Machined and torque tested for a secure fitment
  • Guaranteed against poor workmanship and material defects
  • Part number is specific to the vehicle's year, make and model
No. 12
Connecting Rod Bolt Replacement for Chevrolet GM 6.6L Duramax Diesel Engines - Xotic Performance™ CR432
  • Cap Retention Style: Cap screw
  • Rod Bolt Head Style: E
  • Rod Bolt Nut Style: 12-point
  • Fastener Yield Strength (psi): 220,000 psi
  • Connecting Rod Bolt Material: XOTIC 7200
No. 13
Michigan Motorsports LS Connecting Rod Bolts for GM 11570662 Fits 05-13 4.8L 5.3L 6.0L 6.2L V8 Engines
  • Connecting Rod Bolt for Gen 4 LS-Based Engines GM 11570662 Set of 16
  • Fits 2005-2013 LS-Based V8 Engines 4.8L 5.3L 6.0L 6.2L
  • These bolts are fom a Genuine OEM Supplier. They are the ideal quality replacements for your original factory connecting rod fasteners.
  • For use in Gen 4 style rods only, not to be used in Gen 3 rods.
  • Cap Retention Style: Cap screw Thread Size: M9 x 1.0 Connecting Rod Bolt Diameter: 9mm Connecting Rod Bolt Material: Steel Underhead Length (in.): 1.654 in. Underhead Length (mm): 42.00mm Nuts Included: No Wrench Diameter: 12mm
No. 14
Speedmaster PCE275.1014 12 Point 3/8" 8640-8740 Connecting Rod Bolts (1 Pc)
  • Speedmaster connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. They are heat-treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high-combustion engines.
  • 275 Connecting Rod Bolt
  • Speedmaster creates unique & distinctive DNA items inspired by the blend of old and new technology. Its empowered work forced drives innovation not only in the products it sells but with the way it goes about doing it.
  • TRACK PROVEN - Surviving the longevity of road, race and recreation is mandatory for all "Track Proven" products, Bringing you closer to product perfection.
  • 12-Month Limited Worldwide Warranty
No. 15
Michigan Motorsports Gen 4 LS Connecting Rod Bolt 2005-2013 4.8L 5.3L 6.0L 6.2L LS2 LS3 L96 L99 L92 LC9 LMG GM 11570662
  • Connecting Rod Bolt for Gen 4 LS-Based Engines
  • Fits 2005-2013 LS-Based V8 Engines 4.8L 5.3L 6.0L 6.2L
  • This listing is for a single Rod Bolt 11570662
  • For use in Gen 4 style rods only, not to be used in Gen 3 rods.
  • Cap Retention Style: Cap screw Thread Size: M9 x 1.0 Connecting Rod Bolt Diameter: 9mm Connecting Rod Bolt Material: Steel Underhead Length (in.): 1.654 in. Underhead Length (mm): 42.00mm Nuts Included: No Wrench Diameter: 12mm
No. 16
NIDAYE 10 Packs 3/8"-16 Rod Coupling Nuts, UNC Threaded Hex Coupling Nut,Length: 1-3/4"
  • Thread Size: 3/8"-16, rod coupling nuts for quickly joining two pieces of 3/8" inch threaded rod
  • Widely function:Fully threaded, allowing the two rods to meet in the middle, forming a tight connection
  • Material: Low carbon steel with zinc plated finishing, good for use indoors, in non-corrosive environments
  • Lenght: 1-3/4" | Width across the flats - 9/16" (Requires 9/16" Hex Wrench)
  • Item type: Hex coupling nut
No. 17
NIDAYE 20 Packs 1/4"-20 Round Rod Coupling Nuts, UNC Threaded Round Connector Nuts,Length: 17.8mm
  • 1.Thread Size: 1/4"-20, round rod coupling nuts for quickly joining two pieces of 1/4" inch threaded rod
  • 2.Widely function:Fully threaded, allowing the two rods to meet in the middle, forming a tight connection
  • 3.Material: Low carbon steel with zinc plated finishing, good for use indoors, in non-corrosie environments
  • 4.Length: 17.8mm
  • 5.Item type: Round coupling nut
No. 18
Wensilon(20 pcs) 1/4"-20 Coupling Nuts zinc, Extended Hexagon Plated Steel Rod Coupling Nuts
  • 1.Thread Size: 1/4"-20 Extended Hexagon rod coupling nuts for quickly joining two pieces of 1/4" inch threaded rod
  • 2.Widely function:Linking two screws, lengthened and fixed to form a tight connection
  • 3.Material:Carbon steel material, the surface treatment is galvanized, strong and solid, not easily rusted
  • 4.Length: (22mm/0.86")Screws for relative use
  • 5.Item type: Extended hexagonal coupling nuts
No. 19
LS Connecting Rod Bolts Fits GM 05-13 4.8L 5.3L 6.0L 6.2L V8 Engines 11570662
  • Connecting Rod Bolt for Gen 4 LS-Based Engines Fitment for GM 11570662
  • Fits 2005-2013 LS-Based V8 Engines 4.8L 5.3L 6.0L 6.2L
  • This listing is for a set of 16 Rod Bolt
  • For use in Gen 4 style rods only, not to be used in Gen 3 rods.
  • Cap Retention Style: Cap screw Thread Size: M9 x 1.0 Connecting Rod Bolt Diameter: 9mm Connecting Rod Bolt Material: Steel Underhead Length (in.): 1.654 in. Underhead Length (mm): 42.00mm Nuts Included: No Wrench Diameter: 12mm
No. 20
YIHETOP 16PCS Engine Connecting Rod Bolt 06508504AA 6508504AA Compatible for 1998-2010 Dodge Durango Dakota Ram 1500 Jeep Grand Cherokee Liberty
  • Part Number: 06508504AA, 6508504AA, 06504720, 6504720
  • Compatible with 1999-2004 JEEP GRAND CHEROKEE WITH 4.7L V8
  • Compatible with 2000-2005 DODGE DAKOTA WITH 4.7L V8
  • Compatible with 2002-2005 DODGE RAM WITH 4.7L V8 & 3.7L V6
  • Compatible with 2002-2005 JEEP LIBERTY WITH 3.7L V6

How to choose a good automotive engine connecting rod nuts

Does the idea of finding a fantastic automotive engine connecting rod nuts 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 connecting rod nuts. 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 connecting rod nuts 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 connecting rod nuts 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 connecting rod nuts 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 connecting rod nuts 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 connecting rod nuts 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 connecting rod nuts, 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 connecting rod nuts.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive engine connecting rod nuts 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 connecting rod nuts. 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 connecting rod nuts 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 connecting rod nuts.