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.
Looking for the best Automotive Replacement Flywheel Bolts?
Discover now our comparison of the best Automotive Replacement Flywheel Bolts. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Flywheel Bolts are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Flywheel Bolts in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
- 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
- High Strength Grade 12.9 metric flange bolts
- Metric flange bolts with BP coating to prevent rust and corrosion
- Good quality preventing threads from seizing
- No washers needed with these flange head bolts
- Warranty: Sales is just the beginning of service. If you have any problems, contacting us and we will serve you within 24 hours
- For use on GM LS Series - 6 bolt Crankshafts (manual and automatic transmission): L99, L98, LMG, LH8, LC9, LY6, LY5, LY2, L76, L92, LH6, L33, LM4, LQ9, L59, LS6, LQ4, LR4, LM7
- Includes 6 - 12.9 grade hardened steel bolts with BP coating for long-lasting corrosion protection and prevents threads from seizing
- Measuring 1.19" in total length - No washers are needed with these flanged-headed bolts
- Replacement Part Numbers for OEM: 19257940, 330-2802, 11569956
- 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 - 2023 Chevrolet Silverado 2500 HD & 3500 HD 6.6L Duramax Diesel
- Replacement For: 2001 - 2023 Chevrolet Express 2500 / 3500 6.6L Duramax Diesel
- Replacement For: 2001 - 2023 GMC Sierra 2500 HD & 3500 HD, Savana 2500 / 3500 6.6L Duramax Diesel
- 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
- Country of Origin: United States
- Black Oxide
- 1.0 in. long
- Small Block Chevy
- Direct replacement - this clutch flywheel bolt matches the fit and function of the factory part on specified years, makes and models
- Ideal solution - this bolt 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
- 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.
- Flywheel Bolt Kit 5.0L Coyote
- POWERSPORTS_VEHICLE_PART
- Model number: M-6379-C
- Universal Fit
- Item Dimension: H: 1.65 inches,L: 3.55 inches,W: 3.35 inches
- 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
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Last update on 2026-04-16 / 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.
