Top rated automotive replacement crankshaft seals

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AI-generated summary · updated July 27, 2026 · verify details before purchase.

1. 1 Best overall

   Fel-Pro BS 40611 Rear Main Seal

   ★★★★☆4.5/5 $10-$20

   High-quality rubber seal with excellent durability and proper fit for many GM engines.

   • Reliable sealing
   • Easy installation
   • Good value

   • Limited to specific engines

   View on Amazon manufacturer site
2. 2 Best durability

   SKF 22230 Front Crankshaft Seal

   ★★★★☆4.4/5 $15-$25

   Premium PTFE material resists heat and wear, ideal for high-mileage vehicles.

   • Long-lasting material
   • Heat resistant
   • Includes installation tool

   • Slightly higher price

   View on Amazon manufacturer site
3. 3 Best budget pick

   National 710158 Oil Seal

   ★★★★☆4.3/5 $8-$15

   Affordable and reliable synthetic rubber seal for various applications.

   • Low cost
   • Wide compatibility
   • Simple installation

   • Not for extreme temperatures

   View on Amazon manufacturer site
4. 4 Best for Chevy LS engines

   Timken 510047 Crankshaft Seal

   ★★★★☆4.5/5 $12-$20

   Engineered specifically for LS series, prevents leaks with robust design.

   • Perfect fit for LS
   • Prevents oil leaks
   • High quality

   • LS specific only

   View on Amazon manufacturer site
5. 5 Best OE replacement

   ACDelco 89017911 GM Original Equipment

   ★★★★★4.6/5 $15-$25

   Genuine GM part ensures exact fit and performance as original.

   • OE quality
   • Guaranteed fit
   • Long service life

   • Higher price than aftermarket

   View on Amazon manufacturer site
6. 6 Best versatile fit

   Dorman 635-203 Crankshaft Seal

   ★★★★☆4.2/5 $10-$18

   Engineered for multiple applications with robust metal casing.

   • Versatile fitment
   • Durable casing
   • Affordable

   • May require sealant

   View on Amazon manufacturer site
7. 7 Best for European cars

   Mahle Original 20019030 Seal

   ★★★★☆4.4/5 $12-$22

   Designed for European engines, excellent resistance to oil and heat.

   • European spec
   • Heat resistant
   • Precision fit

   • Limited availability

   View on Amazon manufacturer site

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