Leaking crankshaft seals drain oil and wreck engines, so picking the right replacement matters. These nine seals offer tight fits, durable materials, and straightforward installs for most cars and trucks.
Brands like FEL-PRO, National, and GM often outlast generic units thanks to better lip design, spring loading, and heat-resistant compounds. This guide explains front vs rear differences, how lip count and springs affect sealing, and which kits include installation extras so the repair goes smoothly.
| FEL-PRO BS 40640 Engine Crankshaft Seal Kit for Chevrolet Silverado 1500 |
| Best Fitment Assurance | Product type: Engine crankshaft seal kit | Fit guidance / vehicle-specific fit: Check vehicle info / Amazon Confirmed Fit | Meets/exceeds OEM specifications: Meets or exceeds original equipment specifications | VIEW LATEST PRICE | Read Our Analysis |
| National 710837 Crankshaft Seal |
| High-Temperature Performer | Product type: Crankshaft seal | Fit guidance / vehicle-specific fit: Intended for vehicle repair (verify fit by part number) | Meets/exceeds OEM specifications: Designed for reliable repair performance (brand reputation implies OEM-quality design) | VIEW LATEST PRICE | Read Our Analysis |
| FEL-PRO TCS 46127 Engine Crankshaft Seal Kit for Mini Cooper |
| Best for Mini Owners | Product type: Engine crankshaft seal kit | Fit guidance / vehicle-specific fit: Check Amazon Confirmed Fit (enter year/make/model/engine) | Meets/exceeds OEM specifications: Meets or exceeds original equipment specifications | VIEW LATEST PRICE | Read Our Analysis |
| FEL-PRO TCS 46026 Engine Crankshaft Seal Kit for Honda Pilot |
| Trusted OEM Replacement | Product type: Engine crankshaft seal kit | Fit guidance / vehicle-specific fit: Check Amazon Confirmed Fit; compatibility notes | Meets/exceeds OEM specifications: Meets or exceeds original equipment specifications | VIEW LATEST PRICE | Read Our Analysis |
| GM Genuine Parts 296-16 (12584041) Crankshaft Front Oil Seal |
| Manufacturer-Approved | Product type: Crankshaft front oil seal | Fit guidance / vehicle-specific fit: Vehicle specific fit | Meets/exceeds OEM specifications: Engineered as OEM vehicle-specific part (professional grade) | VIEW LATEST PRICE | Read Our Analysis |
| FEL-PRO TCS 46114 Crankshaft Front Seal Set |
| Specialty Vehicle Fit | Product type: Crankshaft front seal set | Fit guidance / vehicle-specific fit: Verify vehicle information (year/make/model/engine/trim) | Meets/exceeds OEM specifications: Meets or exceeds original equipment specifications | VIEW LATEST PRICE | Read Our Analysis |
| FEL-PRO TCS 45904 Engine Crankshaft Seal Kit for Honda Civic |
| Best for Hondas | Product type: Engine crankshaft seal kit | Fit guidance / vehicle-specific fit: Verify fit via Amazon Confirmed Fit | Meets/exceeds OEM specifications: Meets or exceeds original equipment specifications | VIEW LATEST PRICE | Read Our Analysis |
| FEL-PRO BS 40737 Engine Crankshaft Seal Kit for Jeep Grand Cherokee |
| Heavy-Duty Reliability | Product type: Engine crankshaft rear main seal set | Fit guidance / vehicle-specific fit: Check Amazon Confirmed Fit; review qualifier notes | Meets/exceeds OEM specifications: Meets or exceeds original equipment specifications | VIEW LATEST PRICE | Read Our Analysis |
| FEL-PRO TCS 46138 Crankshaft Front Seal Set |
| European Vehicle Expert | Product type: Crankshaft front seal set | Fit guidance / vehicle-specific fit: Confirm fit before purchase; check qualifier notes | Meets/exceeds OEM specifications: Meets or exceeds original equipment specifications | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
FEL-PRO BS 40640 Engine Crankshaft Seal Kit for Chevrolet Silverado 1500
Should you want a crankshaft seal kit that takes the guesswork out of repairs for many GM and related trucks and SUVs, the FEL-PRO BS 40640 is a smart choice. You’ll appreciate that it fits vehicles like Silverado 1500 and models from Isuzu, Buick, and Cadillac across specific years. Check year, make, model, engine, and trim before buying, and use the Amazon Confirmed Fit bar for extra certainty. FEL-PRO designs this kit for proper fit, validating fit form and function. It meets or exceeds OE specs, so you can trust the quality whenever you’re doing repairs.
- Product type:Engine crankshaft seal kit
- Fit guidance / vehicle-specific fit:Check vehicle info / Amazon Confirmed Fit
- Meets/exceeds OEM specifications:Meets or exceeds original equipment specifications
- Validated / engineered for fit, form, function:Application-specific design; validated for fit, form, function
- Materials / exterior finish:Noted as engineered (material unspecified) with application-specific materials
- Purchase/return/warranty support info:Validated product; general quality claims (check listing for warranty/returns)
- Additional Feature:Wide GM/Cadillac coverage
- Additional Feature:Application-specific materials
- Additional Feature:Amazon Confirmed Fit
National 710837 Crankshaft Seal
Should you want a dependable, low-profile crankshaft seal that handles tough heat and keeps leaks at bay, the National 710837 is an excellent choice. You’ll like its machined exterior and multi-lip, spring-loaded design that enhances sealing where you need it. It fits center positions and weighs under an ounce, so it won’t feel bulky. You can trust the -40 to 400°F range for hot starts and cold mornings. National has decades of sealing know-how, so you’re getting proven design and wide fluid compatibility. Warranty details and a 30-day return option give you added peace of mind.
- Product type:Crankshaft seal
- Fit guidance / vehicle-specific fit:Intended for vehicle repair (verify fit by part number)
- Meets/exceeds OEM specifications:Designed for reliable repair performance (brand reputation implies OEM-quality design)
- Validated / engineered for fit, form, function:Machined exterior and multi-lip design for enhanced sealing (engineered design)
- Materials / exterior finish:Machined exterior; spring-loaded multi-lip construction
- Purchase/return/warranty support info:Warranty available (PDF); Amazon 30-day return guarantee noted
- Additional Feature:Spring-loaded multi-lip
- Additional Feature:Machined exterior finish
- Additional Feature:-40°F to 400°F range
FEL-PRO TCS 46127 Engine Crankshaft Seal Kit for Mini Cooper
Should you own a 2007 through 2016 Mini Cooper or its Countryman and Paceman variants and you want a reliable, vehicle-specific fix, the FEL-PRO TCS 46127 crankshaft seal kit is made for you. You’ll appreciate that it fits the listed years and models whenever you verify fit with Amazon Confirmed Fit. It’s engineered for precise fit, and validated for fit, form, function, so you can trust installation goes smoothly. Parts meet or exceed original equipment specs and include what you need for the repair. Before buying, double-check year, make, model, engine, and trim to avoid surprises.
- Product type:Engine crankshaft seal kit
- Fit guidance / vehicle-specific fit:Check Amazon Confirmed Fit (enter year/make/model/engine)
- Meets/exceeds OEM specifications:Meets or exceeds original equipment specifications
- Validated / engineered for fit, form, function:Application-specific design; validated for fit, form, function
- Materials / exterior finish:Application-specific sealing materials (unspecified)
- Purchase/return/warranty support info:Confirm fit and check product listing for warranty/returns
- Additional Feature:Mini Cooper family focus
- Additional Feature:Includes complete repair parts
- Additional Feature:Application-validated fit
FEL-PRO TCS 46026 Engine Crankshaft Seal Kit for Honda Pilot
Should you drive a Honda Pilot or a similar Honda or Acura and want a direct, reliable seal replacement, the FEL-PRO TCS 46026 crankshaft seal kit is made for you because it matches OEM specifications and fits application-specific requirements. You’ll like that Fel-Pro engineered it for sealing repair environments and validated fit form and function. Check Amazon Confirmed Fit through entering year make model engine and trim so you don’t guess. The kit includes necessary parts unless remarked and meets or exceeds original equipment. It’s discontinued from the maker but might still be sold. Review warranty and return details before buying.
- Product type:Engine crankshaft seal kit
- Fit guidance / vehicle-specific fit:Check Amazon Confirmed Fit; compatibility notes
- Meets/exceeds OEM specifications:Meets or exceeds original equipment specifications
- Validated / engineered for fit, form, function:Application-specific design; validated for fit, form, function
- Materials / exterior finish:Metal material; machined exterior
- Purchase/return/warranty support info:Manufacturer warranty link; Amazon 30-day return guarantee; product discontinued note
- Additional Feature:Discontinued by manufacturer
- Additional Feature:Metal construction material
- Additional Feature:Small compact dimensions
GM Genuine Parts 296-16 (12584041) Crankshaft Front Oil Seal
Should you’re a DIY mechanic or a professional technician who wants a reliable, vehicle-specific crankshaft front oil seal, the GM Genuine Parts 296-16 (12584041) is a strong choice. You’ll appreciate its factory fit that matches your GM engine specs, so installation is straightforward and confidence is high. The part comes from a leading manufacturer known worldwide for quality, and it’s made with modern engineering and tech that target long life and proper sealing. Because it’s vehicle specific, you won’t guess on fit or function. You’ll feel reassured using a trusted brand that keeps leaks away and saves time.
- Product type:Crankshaft front oil seal
- Fit guidance / vehicle-specific fit:Vehicle specific fit
- Meets/exceeds OEM specifications:Engineered as OEM vehicle-specific part (professional grade)
- Validated / engineered for fit, form, function:Designed with professional use in mind; engineered for application
- Materials / exterior finish:Engineered materials for oil sealing (unspecified)
- Purchase/return/warranty support info:Manufacturer support implied (GM Genuine Parts); check listing for warranty/returns
- Additional Feature:OEM genuine part
- Additional Feature:Professional-grade design
- Additional Feature:Vehicle-specific fit
FEL-PRO TCS 46114 Crankshaft Front Seal Set
In case you want a reliable, ready-to-install front crankshaft seal set for specific late-model Ford and specialty cars, the FEL-PRO TCS 46114 is a smart pick that puts ease of repair foremost. You’ll find it fits several Panoz, Qvale, Ford, and mobility vehicles, so check your year, make, model, engine, and trim before buying. FEL-PRO designs this kit to meet or exceed OEM specs and validates fit, form, and function. It includes all parts needed for the repair unless remarked, which saves time and worry. Verify qualifier remarks to avoid compatibility problems and get the right seal.
- Product type:Crankshaft front seal set
- Fit guidance / vehicle-specific fit:Verify vehicle information (year/make/model/engine/trim)
- Meets/exceeds OEM specifications:Meets or exceeds original equipment specifications
- Validated / engineered for fit, form, function:Application-specific design; validated for fit, form, function
- Materials / exterior finish:Machined exterior (implied durable seal materials)
- Purchase/return/warranty support info:Verify fit; check listing for warranty/returns
- Additional Feature:Covers exotic/Ford GT models
- Additional Feature:Includes all repair parts
- Additional Feature:Broad model year span
FEL-PRO TCS 45904 Engine Crankshaft Seal Kit for Honda Civic
In case you want a dependable crankshaft seal kit that fits a range of Honda and Acura models, FEL-PRO TCS 45904 is a smart pick for DIYers and professional mechanics alike. You’ll like that it’s made for specific year and model combos so fit is reliable. It’s validated for fit, form, and function and meets or exceeds original equipment specs. The kit includes the parts you need to finish the repair unless noted otherwise. Before you buy, check Amazon Confirmed Fit through entering year, make, model, engine, and trim to avoid surprises. Trust the quality and install with confidence.
- Product type:Engine crankshaft seal kit
- Fit guidance / vehicle-specific fit:Verify fit via Amazon Confirmed Fit
- Meets/exceeds OEM specifications:Meets or exceeds original equipment specifications
- Validated / engineered for fit, form, function:Application-specific design; validated for fit, form, function
- Materials / exterior finish:Application-specific sealing materials (unspecified)
- Purchase/return/warranty support info:Check product listing for warranty/returns
- Additional Feature:Honda/Acura focused fit
- Additional Feature:Multi-model compatibility
- Additional Feature:Complete repair contents
FEL-PRO BS 40737 Engine Crankshaft Seal Kit for Jeep Grand Cherokee
Should you drive a Jeep Grand Cherokee or a similar Dodge or Ram vehicle and want a rear main seal that fits like the factory part, the FEL-PRO BS 40737 Engine Crankshaft Seal Kit is a smart choice for DIYers and pros alike. You’ll get a machined center seal made from application specific materials that meet or exceed OE specs. It’s validated for fit, form, and function so you can trust its sealing performance. Check Amazon Confirmed Fit for your exact year, make, model, engine, and trim. Warranty and a 30 day return option are available to protect your purchase.
- Product type:Engine crankshaft rear main seal set
- Fit guidance / vehicle-specific fit:Check Amazon Confirmed Fit; review qualifier notes
- Meets/exceeds OEM specifications:Meets or exceeds original equipment specifications
- Validated / engineered for fit, form, function:Application-specific materials; validated for fit, form, function
- Materials / exterior finish:Application-specific materials; machined exterior
- Purchase/return/warranty support info:Manufacturer warranty information available; Amazon 30-day return guarantee
- Additional Feature:Rear main seal set
- Additional Feature:Lightweight packaging
- Additional Feature:Wide Chrysler/Ram fit
FEL-PRO TCS 46138 Crankshaft Front Seal Set
Choose the FEL-PRO TCS 46138 whenever you want a crankshaft front seal set that fits precisely and lets you tackle a repair with confidence. You’ll find it made for Volkswagen Tiguan-related engines and validated to meet or exceed original equipment specs. It fits many Audi and Porsche models from 2008 through 2020, so double check year, make, model, engine, and trim before you buy. The set includes all parts needed for the front seal repair unless noted, which makes the job less stressful. FEL-PRO tests fit form and function, so you can replace seals with calm assurance and steady hands.
- Product type:Crankshaft front seal set
- Fit guidance / vehicle-specific fit:Confirm fit before purchase; check qualifier notes
- Meets/exceeds OEM specifications:Meets or exceeds original equipment specifications
- Validated / engineered for fit, form, function:Application-specific design; validated for fit, form, function
- Materials / exterior finish:Application-specific sealing materials (unspecified)
- Purchase/return/warranty support info:Check product listing for warranty/returns
- Additional Feature:VW/Audi/Porsche coverage
- Additional Feature:Porsche Macan compatible
- Additional Feature:Includes front seal components
Factors to Consider When Choosing Car Crankshaft Seals
When you pick a crankshaft seal, consider first about material composition because rubber types and coatings will decide how long the seal lasts and how well it resists oil and heat. Next, consider seal geometry and fitment accuracy since the shape and precise size must match your engine to prevent leaks and minimize wear. Also check the temperature range and fluid compatibility so the seal can handle your engine’s heat and the oils or coolants it will contact.
Material Composition
A few clear material choices will shape how well a crankshaft seal protects your engine, so it helps to know what each one brings to the job. You’ll see nitrile, fluoroelastomer, silicone, and PTFE used most often, and each handles heat, oil, and chemicals differently. Nitrile gives good oil resistance at a low cost, but it suits moderate temperatures around 200 to 250°F. Fluoroelastomer suits higher heat and modern oil additives, often up to about 400°F, and it lasts longer under stress. Silicone helps where flexibility matters, while PTFE or PTFE faced seals cut friction and resist harsh chemicals and heat for high performance. Many seals pair these materials with fabric or springs in the lip to hold contact and adapt to shaft movement.
Seal Geometry
Consider seal geometry as the seal’s shape language; it tells you how the seal will sit, flex, and hold back oil under real driving conditions. You’ll want multi-lip geometries whenever leaks matter, because each lip adds a barrier that cuts fluid escape and handles pressure swings better than a single lip. A garter spring behind the primary lip keeps radial tension, so the seal stays snug despite wear and shaft heat at high RPMs. Look at lip profiles too; flat, rounded, or contoured shapes change friction, heat, and run-in behavior, and low-friction designs ease break-in but need better shaft alignment. Cross-section thickness and interference control compression and installation ease, while stepped or multi-material designs give stability and conformability for varied fluids and conditions.
Temperature Range
Checking a seal’s temperature range helps you pick one that won’t fail as the engine heats up or cools down. You want a seal rated for your engine’s cold and hot extremes. Aim for at least −40°C to +150°C for most cars. Should you run a turbo or push performance, pick silicone or FKM materials that handle up to about 200°C. Add a safety margin of 25 to 50°C for short peaks near exhausts or turbos. Also check that the spring and lip keep sealing as parts expand and contract, since changes can open leak paths. Finally, confirm the material resists the oils you use at high heat, because some fluids speed up material breakdown.
Fluid Compatibility
Fluid compatibility matters more than most people realize whenever you pick a crankshaft seal, and getting it wrong can mean leaks and costly repairs. You should match seal material to the fluids it will touch. Nitrile works well with petroleum oils, while fluoroelastomers handle synthetic oils and higher heat. Check chemical compatibility charts before you buy. Some ATF formulations, coolants, or additives can swell or harden elastomers and ruin a seal. Also watch temperature interactions because hot fluids change viscosity and speed material breakdown, so pick seals rated for your operating range. Consider contaminants too. Fuel vapors, solvents, or glycol coolants can attack lips and geometry. Consult manufacturer resistance data, especially for bio or ester oils, to avoid premature failure.
Fitment Accuracy
When you’re picking a crankshaft seal, get the fit right from the start so you don’t face leaks or repeated repairs down the road. You’ll want to confirm the exact vehicle year, make, model, engine code and trim before ordering. Seals are often engine specific, and an incorrect spec won’t seat or seal properly. Match front versus rear position and shaft diameter tolerance to the crankshaft dimensions, since small differences cause leaks. Check single lip or multi lip design and whether the seal uses a spring to match original contact pressure. Also verify OEM part numbers and any installation qualifiers like oil slingers or pilot bore differences. Finally, make certain flange style, outer diameter and installation method to guarantee proper press fit.
Durability And Wear
As you pick a crankshaft seal, consider how long it needs to last under heat, pressure, and motion so you won’t be fixing the same leak again soon. You’ll want seals made from high temperature elastomers like fluorocarbon or silicone blends that stay flexible up to about 200°C. Also look for multi lip designs with spring loaded inner lips because they give extra barriers and stay tight whenever the shaft wobbles or pressure changes. Match materials to engine fluids so oil resistant compounds, PTFE, or nitrile reinforcements don’t degrade with modern synthetics. Pick seals with machined or coated metal exteriors to resist bore corrosion and abrasion. Finally, check RPM and pressure ratings so seals for higher speeds and supercharged engines wear much slower.
Installation Ease
As you’re getting ready to fit a crankshaft seal, consider how the seal will go in and how easy it will be to get it right the initial time. Pick a seal that matches the installation orientation and shaft size so it won’t bind or tilt during pressing. Also look for a machined or stepped outer diameter that you can drive in evenly with a seal driver to avoid lip distortion and leaks. Prefer multi-lip, spring-loaded designs because the garter spring keeps contact during the initial shaft runs. Reflect on material hardness; softer elastomers seat more gently while stiffer ones could require a warmed housing or careful alignment. Finally, choose kits that include inner sleeves, retainers, and O-rings to finish the job in one pass.
