Men's Clothing

The Best Automotive Replacement Flywheel Bolts

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The flywheel is a critical component connecting the engine to the transmission. Ensuring a secure and reliable connection requires robust flywheel bolts. Selecting the correct bolts is paramount for the longevity and performance of your vehicle's powertrain, preventing costly damage and ensuring safe operation.

No. 1
NewYall Clutch Flywheel Bolt for Ford Explorer 4.0 97-02
  • Fits Ford: Explorer 4.0 (1997-2010), Explorer Sport (2001-2003), Explorer Sport Trac 4.0 (2001-2010), Mustang 4.0 (2005-2010), Ranger 4.0 (1997, 2001-2011), Aerostar 4.0 1997
  • Fits Mercury Mountaineer 4.0 1998-2010
  • Package Included Clutch Flywheel Bolt*8
No. 2
Region Offroad Flywheel Bolts for AMC 4.0L 4.2L Compatible with Jeep CJ5 CJ7 CJ8 YJ TJ XJ MJ ZJ
  • Compatible with all AMC 258 4.2L engines with manual transmission
  • Compatible with all AMC 4.0L engines with manual transmission
  • Compatible with Jeep CJ5 CJ7 CJ8 YJ TJ XJ MJ ZJ
  • Grade 8 / Yellow zinc plated
  • Replaces Mopar J3170524. Note: These are flywheel bolts for manual transmission. They are not flexplate bolts for automatic transmission.
  • Also fits: AMC 304 5.0L, 360 5.9L and 401 6.6L V8's used in CJ5, CJ7, Full size Cherokee, Wagoneer, Grand Wagoneer, J10, and J20
  • Sold by a small business in the US and we actually use these parts ourselves.
No. 3
8Pcs Transmission Clutch Flywheel Bolt 90011-PNA-B00 for Honda Civic Accord
  • Set of 8 clutch flywheel bolts, for Honda K-Series engines(K20, K24)
  • Part number: 90011-PNA-B00, 90011PNAB00
  • Twelve point, 12mm, manual transmission only
  • For Honda Civic 2002-2024, Accord 2003-2017, CR-V 2002-2006
  • For Acura ILX 2013-2015, TSX 2004-2014, RSX 2002-2006
No. 4
Silscvtt Set 8 Flywheel Bolts Replacement for Honda B Series GSR LS SI EG EK 1988-2001
  • Replacement for Honda B series GSR LS SI EG EK DC2 B16 B18C1 B18 B18A1 1988-2001
  • The installation of 8 flywheel bolts is simple and can be completed at home with minimal tools and mechanical knowledge
  • The flywheel bolts are designed to improve the performance of the engine
  • With its precise design and high-quality structure, bolts provide a safe connection between the flywheel and the engine, optimizing power transmission and reducing vibration, thereby achieving smoother and more efficient operation
  • Package include: 8 Pcs Flywheel Bolts
No. 5
14Pcs Clutch Flywheel Pressure Plate Flange Bolt Set for Honda Civic Accord
  • Set of 14, replacement clutch flywheel bolts and pressure plate bolts set
  • Part number: 90011-PNA-B00, 90034-P10-A01, 90034-689-000, 90034-PR3-000
  • 12 point flange bolt, 8mm(pressure plate bolt), 12mm(flywheel bolt)
  • Constructed of hardened carbon steel, long-service time and build to last
  • For Honda K-Swap series K20 K24 engines, manual trans only
No. 6
Flywheel Bolt Replacement Kit for 2001-2021 6.6L Chevrolet Duramax | Xotic Performance™ FW100
  • Precision Engineered for 2001-2021 6.6L Chevrolet Duramax: Meticulously crafted to meet the exact specifications of Gen III/IV small block engines, ensuring a perfect fit and enhancing the overall performance and stability of your Chevrolet.
  • High-Strength Material: Manufactured from premium-grade steel, these bolts are built to endure high torque and extreme operating conditions, providing exceptional durability and long-lasting reliability for your engine.
  • Superior Clamping Force: Featuring an advanced thread design, these bolts offer maximum clamping force, ensuring secure and stable fastening of the flywheel to the crankshaft, preventing slippage even under high-stress conditions.
  • Corrosion Resistant Coating: Each bolt is treated with a black oxide finish to resist rust and corrosion, ensuring long-term protection and maintaining the bolts' integrity and performance in harsh environments.
  • Ease of Use: Designed for straightforward installation, this kit includes bolts that are easy to handle and install, making it suitable for both DIY enthusiasts and professional mechanics looking to enhance their engine's performance with minimal hassle.
  • Replacement For: 2001-2021 Chevrolet Silverado 2500 HD & 3500 HD 6.6L Duramax Diesel
  • Replacement For: 2001-2021 GMC Sierra 2500 HD & 3500 HD 6.6L Duramax Diesel
  • Replacement For: 2006-2021 Chevrolet Express 2500 / 3500 & GMC Savana 2500 / 3500 6.6L Duramax Diesel
SaleNo. 7
800610740 Flywheel Bolt Kit Fit for Subaru Baja Crosstrek WRX STI XT XV
  • 【Compatibility】Fit for Subaru: 2003-2006 Baja, 1985-1987 Brat, 2013-2024 BRZ, 2016-2023 Crosstrek, 1985-1989 DL, 1998-2019 Forester, 1985-1989 GL, 1993-2023 Impreza, 1990-2019 Legacy, 1990-1994 Loyale, 2000-2019 Outback, 2012-2022 WRX, 2013-2021 WRX...
  • 【Part Number】800610740, PT190301, 12310AA240, 12310AA370, 12342AA000, 12342AA010. Please Recheck Your Vehicle Part Number and Compatibility in the Product Description Before Purchasing the Product.
  • 【Includes】8 X Flywheel Bolts.
  • 【High Quality】Made of High Quality Material, Durable, Stable Performance, Strong Reliability, Long Service Life.100% Tested Before Leaving the Factory.Tested & Certified to Meet or Exceed OEM Quality Standards.
  • 【Support】We Provide 12 Months of Product Service, Hassle-Free Return and Refund Policy. Please Buy it with Your Confidence.
No. 8
ARP 200-2902 Flexplate Bolt Kit, Pro Series, 7/16-20 in Thread, 0.680 in Long, 12 Point Head, Chromoly, Black...
  • Package Dimensions: 2.286 H x 14.732 L x 24.384 W (centimeters)
  • Made in USA
  • Flywheel Bolt Kit
  • Part number: 2002902
No. 9
Pioneer 859030 Flywheel Bolt Kit (7/16-20 x 11/16)
  • Country of Origin: United States
  • Black Oxide
  • 1.0 in. long
  • Small Block Chevy
No. 10
ICT Billet USA Made 12.9 LS Transmission Flywheel Bolts Set Flexplate Kit LS1 LS3 LS2 Crankshaft LM7 LR4 LQ...
  • Custom Made in the USA just for ICT Billet
  • Heavy duty, high strength Grade 12.9 bolts
  • BP coated for long lasting corrosion protection and prevents threads from seizing
  • No washers needed with these flange head bolts
  • Metric flange bolts

Last update on 2026-08-31 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Automotive Replacement Flywheel Bolts

Understanding Flywheel Bolt Types

Flywheel bolts are not one-size-fits-all. They primarily differ in material strength, thread pitch, and head style. Common materials include Grade 8 steel for high-performance applications and standard automotive-grade steel for everyday use. Ensure the bolts match the specifications of your vehicle's flywheel and crankshaft to guarantee proper fitment and load-bearing capacity.

Material Strength and Durability

The material of the bolts directly impacts their strength and resistance to fatigue. High-tensile strength bolts, often made from hardened steel alloys, are designed to withstand the immense forces and vibrations generated by the engine. For standard vehicles, automotive-grade bolts offer sufficient durability. However, for performance vehicles or those subjected to heavy towing, investing in stronger, more resilient bolts is advisable.

Thread Pitch and Size Considerations

Accurate thread pitch and diameter are crucial for a secure connection. Mismatched threads can lead to cross-threading, stripped bolts, or an inability to properly torque the bolts. Always consult your vehicle's service manual or the flywheel manufacturer's specifications to determine the exact thread size and pitch required. Using the wrong size can compromise the entire assembly.

Head Style and Torque Specifications

Flywheel bolts typically feature hex heads, allowing for easy access with a socket wrench. Some may have specialized heads for specific applications. Adhering to the manufacturer's torque specifications is non-negotiable. Overtightening can strip threads or snap the bolt, while undertightening can lead to loosening and potential damage. Always use a torque wrench for precise tightening.

Comparison Tips for Selection

  • Verify Compatibility: Always confirm that the bolts are designed for your specific vehicle make, model, and year.
  • Check Material Grade: For demanding applications, opt for higher tensile strength grades (e.g., Grade 8 or equivalent).
  • Inspect Threads: Ensure the thread pitch and diameter precisely match the original equipment or manufacturer recommendations.
  • Consider Kits: Many replacement kits include the necessary bolts and sometimes even washers, simplifying the purchase.
  • Read Reviews: User feedback can offer insights into real-world performance and durability.

Frequently Asked Questions

What is the difference between flywheel bolts and regular bolts?
Flywheel bolts are specifically engineered to withstand the high torque, vibration, and temperature fluctuations experienced in an engine's flywheel assembly. They are typically made from stronger materials and have precise thread specifications to ensure a secure connection.
How do I know if I need new flywheel bolts?
Signs that may indicate a need for new flywheel bolts include rattling noises from the bell housing, clutch slippage, or difficulty shifting gears. Visual inspection for damaged or loose bolts is also recommended during clutch or transmission service.
Can I reuse my old flywheel bolts?
It is generally not recommended to reuse old flywheel bolts. They are subjected to significant stress and can stretch or weaken over time, increasing the risk of failure. Always replace them with new, high-quality bolts.
What torque should I use for flywheel bolts?
The correct torque specification varies by vehicle manufacturer and application. Always refer to your vehicle's service manual for the precise torque values and tightening sequence to ensure proper installation.
Are all flywheel bolts the same size?
No, flywheel bolts come in various sizes and thread pitches to match different engine and flywheel designs. It is essential to use bolts that are specifically designed for your vehicle's make, model, and year.
What happens if a flywheel bolt breaks?
A broken flywheel bolt can lead to severe engine damage, including potential damage to the crankshaft, transmission, or clutch assembly. It can also cause vibrations, noise, and erratic engine performance.