National
Differential Pinion Seal
$9.72
National
Part # 8622
4.7(47 reviews)Joint de pignon
Fits Chevrolet, GMC — 134 vehicle applications
$41.82
Only 3 left in stock
1
Express Checkout
Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
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National 8622 Vehicle Fitment
Fits 134 vehiclesThis Joint de pignon fits Chevrolet, GMC vehicles.
1987-1991 GMC V1500 Suburban
1987-1991 GMC V2500 Suburban
1987 GMC V1500
1987 GMC V2500
1979-1986 GMC K1500
1979-1986 GMC K1500 Suburban
1979-1986 GMC K2500
1979-1986 GMC K2500 Suburban
1977-1991 GMC Jimmy
1977-1978 GMC K15
1977-1978 GMC K15 Suburban
1977-1978 GMC K25
1977-1978 GMC K25 Suburban
National 8622 Specifications
- Redicoat
- Yes
- Flanged Outside Diameter
- 3.070
- Inside Diameter
- 49.280
- Thickness
- 0.428
- Width
- 0.428
- Material
- Nitrile
National 8622 Product Description
National 8622 Différentiel – Joint de pignon pour Chevrolet K10
Key Features
- Delivers quality and reliable performance for every type of repair
- Design type: spring loaded; multi-lip
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Temperature range: -40°F to 225°F / -40°C to 107°C
- Baja expansión en fluidos de hidrocarburos
- Buena capacidad a bajas temperaturas
- Ofrece un rendimiento confiable de calidad para cada tipo de reparación
- Rango de temperatura: -40°F a 225°F / -40°C a 107°C
- Tipo de diseño: Carga de resorte; multi-labio
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
About National
Shop National Differential Pinion Seal at Autrex with vehicle fitment details, current pricing, and checkout options for the National 8622. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Ratings & Reviews
4.7out of 5
Based on 47 reviews
- 538
- 46
- 31
- 21
- 11
- Direct fit, no surprisesMarc D.Verified BuyerMay 28, 2026
Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.
Installed on 2016 Ram 1500
- Shipped fast across CanadaJen P.Verified BuyerMay 14, 2026
Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.
Installed on 2014 Chevrolet Silverado 1500
- Good part, double-check your sideSteve R.Verified BuyerApr 30, 2026
Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.
Installed on 2017 Ford F-150
- Quiet againAmrit S.Verified BuyerApr 19, 2026
Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.
Installed on 2015 GMC Sierra 1500
- Would buy againDaniel L.Mar 22, 2026
Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.
Installed on 2013 Dodge Durango
Frequently Asked Questions — National 8622
What vehicles does the National 8622 fit?
The National 8622 fits 25 vehicle applications including 1987-1991 Chevrolet Blazer, 1989-1991 Chevrolet V1500 Suburban, 1989-1991 Chevrolet V2500 Suburban, 1987-1991 GMC V1500 Suburban, 1987-1991 GMC V2500 Suburban and 20 more. Check the full fitment list above to confirm your vehicle.
What are the shipping options for the National 8622?
Shipping options for the National 8622 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
How much does the National 8622 cost?
The National 8622 is currently listed at $41.82 CAD at Autrex. Final price, shipping, taxes, and availability are confirmed during checkout. Call 1-866-461-2787 if you need help before ordering.
Is the Joint de pignon a direct fit replacement?
Yes, the Joint de pignon by National is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Joint de pignon come with?
The Joint de pignon comes with the standard National manufacturer warranty. Please check the product specifications for exact warranty terms.
