Crankshafts
- Timken®Front Crankshaft Seal (710310)Front Crankshaft Seal (710310) by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design, enhanced...Expertly crafted from premium materialsDesigned to match rigorous quality standards$8.70
- Timken®Front Crankshaft Seal (223840)Front Crankshaft Seal (223840) by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design, enhanced...Expertly crafted from premium materialsDesigned to match rigorous quality standards$6.29
- Timken®Front Crankshaft Seal (1181)Front Crankshaft Seal (1181) by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design, enhanced surface...Expertly crafted from premium materialsDesigned to match rigorous quality standards$4.11
- Timken®Front Inner Wheel Seal (6985)Front Inner Wheel Seal (6985) by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring reliable vehicle...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$12.96
- Timken®Front Multi Purpose Seal (710839)Front Multi Purpose Seal (710839) by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring reliable...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$10.79
- Timken®Front Standard Crankshaft Seal (1953S)Front Standard Crankshaft Seal (1953S) by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design,...Expertly crafted from premium materialsDesigned to match rigorous quality standards$5.96
- Timken®Multi Purpose Seal (710651)Multi Purpose Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring reliable vehicle operation...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$4.94
- Timken®Rear Inner Wheel Seal (223830)Rear Inner Wheel Seal (223830) by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring reliable vehicle...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$7.95
- Timken®Rear Outer Multi Purpose Seal (710638)Rear Outer Multi Purpose Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring reliable vehicle...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$6.14
- Timken®Rear Passenger Side Multi Purpose Seal (710739)Rear Passenger Side Multi Purpose Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring reliable...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$5.09
- Timken®Wheel Seal (224840)Wheel Seal (224840) by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring reliable vehicle operation...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$9.05
- National®Automatic Transmission Extension Housing Seal (224250)Automatic Transmission Extension Housing Seal (224250) by National®. Width: 0.315". Inside Diameter: 1.654". Outside Diameter: 2.452". Housing Bore: 2.441". Don’t just repair a leak, prevent future problems with a National Oil Seal....Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$6.33
- National®Front Crankshaft Seal (494122)Front Crankshaft Seal (494122) by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$6.96
- National®Front Crankshaft Seal (710127)Front Crankshaft Seal (710127) by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$11.20
- National®Front Crankshaft Seal (472492)Front Crankshaft Seal (472492) by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$7.37
- National®Front Crankshaft Seal (224200)Front Crankshaft Seal (224200) by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$5.01
- National®Front Inner Wheel Seal (710255)Front Inner Wheel Seal (710255) by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by National will last a...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$8.39
- National®Front Inner Wheel Seal (1973)Front Inner Wheel Seal (1973) by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by National will last a...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$5.67
- National®Rear Inner Wheel Seal (229010)Rear Inner Wheel Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by National will last a lifetime. It...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$14.61
- National®Rear Inner Wheel Seal (223605)Rear Inner Wheel Seal (223605) by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by National will last a...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$4.38
- National®Wheel Seal (223801)Wheel Seal (223801) by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that generates a dynamic pumping action to keep...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$8.06
- National®Crankshaft Seal (716484)Crankshaft Seal (716484) by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$7.35
- National®Crankshaft Seal (224663)Crankshaft Seal (224663) by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$9.61
- National®Crankshaft Seal (2025)Crankshaft Seal by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$8.08
- National®Upper Camshaft Seal (3051N)Upper Camshaft Seal (3051N) by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that generates a dynamic pumping action...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$11.52
- National®Front Crankshaft Seal (471424)Front Crankshaft Seal (471424) by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$5.97
- National®Front Crankshaft Seal (450867)Front Crankshaft Seal (450867) by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$14.82
- Mahle®Front Timing Cover Gasket Set (JV5199)Front Timing Cover Gasket Set (JV5199) by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.14
- Mahle®Paper Timing Cover Gasket Set (JV5157)Paper Timing Cover Gasket Set (JV5157) by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.61
- National®Automatic Transmission Output Shaft Seal (710967)Automatic Transmission Output Shaft Seal (710967) by National®. Driver Side. Width: 0.472". Inside Diameter: 1.575". Outside Diameter: 2.370". Housing Bore: 2.362". Thickness: 0.472". Don’t just repair a leak, prevent future problems...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$15.81
The crankshaft turns the reciprocating motion of the pistons and connecting rods into the rotational motion that turns the transmission gears, axle shafts, and ultimately the wheels. The crankshaft turns on its axis in the cylinder block. The connecting rods are attached to offset crank throws, which enable the conversion of motion. Cast iron is commonly used to make low output engine crankshafts, while forged steel is needed for high horsepower motors.
Crankshafts are stout, precision made components that with normal vehicle maintenance and use, should last the life of the vehicle. However, lax maintenance can result in dirt getting between the crank journals and bearings, or reduced oil flow, either of which can result in scored journals, increased clearance, metal-to-metal contact and engine knock. In such cases, the most economical repair with the least vehicle down time can usually be achieved with a crank kit, which includes a fully machined crankshaft and replacement bearings.
Oil leaks at the rear main seal are another common crankshaft malady. We have replacement seals and seal kits for all popular vehicles, but in cases of extreme wear the crankshaft seal contact surface can become grooved, making a replacement seal ineffective. However, there’s no need to completely replace the crankshaft if the sealing surface is marred. On our digital shelves you’ll find easy to install repair sleeves that are a press fit onto the crankshaft, creating a smooth surface for effective sealing and oil control.
Keep in mind that OE cranks aren’t up to the demands of a performance engine. Also, the constant pounding can cause hard-to-find hairline cracks to develop, and may even cause the crank to bend. If the journals are worn, regrinding may remove the surface case hardening. Don’t run a used OE crank and risk blowing up your engine. Be safe, and make a new performance crankshaft the cornerstone of your build.
We offer performance crankshafts for all popular engines, designed and manufactured by performance crankshaft specialists, in materials and configurations for every use and horsepower output. Cast steel cranks are relatively inexpensive yet can handle some serious power. Next up the ladder in strength and price are forged followed by billet steel cranks. Forged cranks are created by pressure forming heated steel in a die, while billet cranks are CNC machined from solid steel. Regardless of the material, all performance cranks are finish machined to a greater degree of precision than standard replacement cranks.
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