National
Power Steering Pump Shaft Seal
$18.73
National
Part # 8059S
4.7(47 reviews)Joint ar pom dir ass
Fits Chevrolet, Pontiac, Studebaker & more — 251 vehicle applications
Call for Price
Contact us at 1-866-461-2787 for pricing
available
Contact us at 1-866-461-2787 for pricing
Call for PriceFree ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
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Select your vehicle to check fitment.
National 8059S Vehicle Fitment
Fits 251 vehiclesThis Joint ar pom dir ass fits Chevrolet, Pontiac, Studebaker, Buick and 2 more makes vehicles.
1958 Studebaker 3E1
1958 Studebaker 3E10
1958 Studebaker 3E11
1958 Studebaker 3E11D
1958 Studebaker 3E12
1958 Studebaker 3E12D
1958 Studebaker 3E13
1958 Studebaker 3E14
1958 Studebaker 3E5
1958 Studebaker 3E6
1958 Studebaker 3E6D
1958 Studebaker 3E7
1958 Studebaker 3E7D
1958 Studebaker Transtar
1958 Studebaker Scotsman
National 8059S Specifications
- Width
- 7.920
- Material
- Nitrile
- Outside Diameter
- 42.930
- Thickness
- 7.920
- Shaft Diameter
- 24.590
- Part Description
- Oil Seal
National 8059S Product Description
National 8059S Assistance de direction – Pompe – Joint d’arbre
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 Power Steering Pump Shaft Seal at Autrex with vehicle fitment details, current pricing, and checkout options for the National 8059S. 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 8059S
What vehicles does the National 8059S fit?
The National 8059S fits 50 vehicle applications including 1958-1959 Chevrolet Biscayne, 1958-1959 Chevrolet Brookwood, 1959 Chevrolet Kingswood, 1958-1959 Chevrolet Nomad, 1959 Chevrolet Parkwood and 45 more. Check the full fitment list above to confirm your vehicle.
What are the shipping options for the National 8059S?
Shipping options for the National 8059S 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.
What is the price of the National 8059S?
For current pricing on the National 8059S, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
Is the Joint ar pom dir ass a direct fit replacement?
Yes, the Joint ar pom dir ass 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 ar pom dir ass come with?
The Joint ar pom dir ass comes with the standard National manufacturer warranty. Please check the product specifications for exact warranty terms.
