National
Automatic Transmission Torque Converter Seal
$22.95
National
Part # 4072N
4.7(47 reviews)Joint transm auto
Fits Chevrolet, Pontiac, Oldsmobile & more — 558 vehicle applications
$32.08
In Stock
For pickup, you can select Ottawa or Winchester at checkout
1
Express Checkout
Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
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Select your vehicle to check fitment.
National 4072N Vehicle Fitment
Fits 558 vehiclesThis Joint transm auto fits Chevrolet, Pontiac, Oldsmobile, Daewoo and 2 more makes vehicles.
1999-2004 Oldsmobile Alero
1998-1999 Oldsmobile Intrigue
1997-1999 Oldsmobile Cutlass
1997-1998 Oldsmobile Regency
1996-1999 Oldsmobile LSS
1992-1999 Oldsmobile 88
1992-1998 Oldsmobile Achieva
1990-1999 Oldsmobile Silhouette
1988-1997 Oldsmobile Cutlass Supreme
1987-1994 Oldsmobile Cutlass Cruiser
1986-1992 Oldsmobile Toronado
1985-1996 Oldsmobile 98
1982-1996 Oldsmobile Cutlass Ciera
National 4072N Specifications
- Width
- 8.510
- Thickness
- 8.510
- Shaft Diameter
- 45.390
- Shaft Diameter
- 1.787
- Helix Type
- Clockwise-Spiral Lip Design
- Redicoat
- Yes
National 4072N Product Description
National 4072N Boîte automatique – Convertisseur de couple – Joint pour Chevrolet Impala
Key Features
- Delivers quality and reliable performance for every type of repair
- Design type: spring loaded; single-lip
- Low swell in hydrocarbon fluids
- Resistance to EP lubricants
- Temperature range: -20°F to 300°F / -29°C to 49°C
- Baja expansión en fluidos de hidrocarburos
- Ofrece un rendimiento confiable de calidad para cada tipo de reparación
- Rango de temperatura: -20°F a 300°F / -29°C a 49°C
- Resistente a lubricantes EP
- Tipo de diseño: Carga de resorte; un solo 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 Automatic Transmission Torque Converter Seal at Autrex with vehicle fitment details, current pricing, and checkout options for the National 4072N. 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 4072N
What vehicles does the National 4072N fit?
The National 4072N fits 50 vehicle applications including 2006-2011 Chevrolet HHR, 2006-2011 Chevrolet Impala, 2005-2010 Chevrolet Cobalt, 1997-2010 Chevrolet Malibu, 2005-2010 Pontiac G6 and 45 more. Check the full fitment list above to confirm your vehicle.
What are the shipping options for the National 4072N?
Shipping options for the National 4072N 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 4072N cost?
The National 4072N is currently listed at $32.08 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 transm auto a direct fit replacement?
Yes, the Joint transm auto 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 transm auto come with?
The Joint transm auto comes with the standard National manufacturer warranty. Please check the product specifications for exact warranty terms.
