Dorman 66998 Automatic Transmission Oil Cooler Gasket

Name: Dorman 66998 Automatic Transmission Oil Cooler Gasket
Brand: Dorman
SKU: BCZF-66998
Price: 26.80 USD
Availability: InStock

⚙️ 147 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, and Saturn, Achieva, Alero, Aura, Captiva Sport, Cavalier, Cobalt, Cruze, Cutlass, Equinox, G5, G6, Grand Am, HHR, Ion, L100, L200, L300, LaCrosse, LS, LS1, LS2, LW1, LW2, LW200, LW300, Malibu, Pursuit, Regal, Regal Sportback, Regal TourX, SRX, Sunfire, Torrent, Vue, and XT5

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Reliable Automatic Transmission Oil Cooler Gasket for GM Vehicles

The Dorman 66998 automatic transmission oil cooler gasket is engineered to provide a secure seal for transmission cooler lines in select Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, and Saturn models. Designed with durable steel and rubber materials, this gasket ensures proper fluid containment and helps maintain transmission performance.

Constructed from steel and rubber for durability and effective sealing
Thickness of 0.9 mm, width of 0.9 mm, and height of 0.65 mm for precise fit
Compatible with multiple GM makes and models including Buick LaCrosse, Chevrolet Malibu, and Cadillac SRX
Includes one transmission cooler line seal per package
Part number 66998 for easy identification and replacement

Durable Materials and Precise Dimensions

This automatic transmission oil cooler gasket combines steel and rubber components to withstand the pressures and temperatures typical in transmission cooling systems. The gasket measures 0.9 mm in thickness and width, with a height of 0.65 mm, ensuring a tight and reliable seal. These specifications help prevent leaks and maintain optimal transmission fluid flow, which is critical for the longevity and efficiency of your vehicle’s transmission.

Compatible GM Models and Applications

The Dorman 66998 gasket is compatible with a wide range of General Motors vehicles, including Buick Achieva, LaCrosse, and Regal; Cadillac SRX and XT5; Chevrolet Cobalt, Cruze, Equinox, and Malibu; Oldsmobile Cutlass; Pontiac G5, G6, and Grand Am; and Saturn Aura, Ion, and Vue. This makes it a suitable replacement part for transmission cooler line sealing in these models.

Common Issues Addressed by This Gasket

Prevents transmission fluid leaks from cooler lines
Helps maintain proper transmission fluid pressure
Reduces risk of transmission overheating due to fluid loss
Eliminates contamination entry into the transmission system
Supports consistent transmission performance and longevity

Installation Notes and Tips

When replacing the transmission oil cooler gasket, ensure the mating surfaces are clean and free of old gasket material or debris. Proper alignment of the gasket is essential to avoid leaks. Use the Dorman 66998 gasket as a direct replacement to maintain factory specifications. It is recommended to inspect the transmission cooler lines and related components for wear or damage during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your vehicle. The 66998 transmission cooler line seal is made from quality steel and rubber materials to ensure durability and effective sealing. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to support customer confidence.

Brand	Dorman
Part Number	66998
Material	Acero, goma
Material	Rubber
Material	Steel
Thickness	0.9
Width	0.9
Height	0.65
Contenidos del paquete	1 sello de la línea del enfriador del aceite de la transmisión
Package Contents	1 transmission cooler line seal

This part fits 147 vehicles. Search below:

Year	Make	Model	Position
2020	Buick	Regal Sportback	N/A
2020	Buick	Regal TourX	N/A
2019	Buick	Regal Sportback	N/A
2019	Buick	Regal TourX	N/A
2019	Cadillac	XT5	N/A
2018	Buick	Regal Sportback	N/A
2018	Buick	Regal TourX	N/A
2018	Cadillac	XT5	N/A
2017	Buick	LaCrosse	N/A
2017	Cadillac	XT5	N/A
2016	Chevrolet	Malibu	N/A
2015	Chevrolet	Cruze	N/A
2014	Chevrolet	Cruze	N/A
2013	Buick	Regal	N/A
2012	Buick	Regal	N/A
2011	Buick	Regal	N/A
2011	Cadillac	SRX	N/A
2011	Chevrolet	HHR	N/A
2011	Chevrolet	Malibu	N/A
2010	Cadillac	SRX	N/A
2010	Chevrolet	Captiva Sport	N/A
2010	Chevrolet	Cobalt	N/A
2010	Chevrolet	HHR	N/A
2010	Chevrolet	Malibu	N/A
2010	Pontiac	G5	N/A
2010	Pontiac	G6	N/A
2010	Saturn	Vue	N/A
2009	Chevrolet	Captiva Sport	N/A
2009	Chevrolet	Cobalt	N/A
2009	Chevrolet	Equinox	N/A
2009	Chevrolet	HHR	N/A
2009	Chevrolet	Malibu	N/A
2009	Pontiac	G5	N/A
2009	Pontiac	G6	N/A
2009	Pontiac	Torrent	N/A
2009	Saturn	Aura	N/A
2009	Saturn	Vue	N/A
2008	Chevrolet	Captiva Sport	N/A
2008	Chevrolet	Cobalt	N/A
2008	Chevrolet	Equinox	N/A
2008	Chevrolet	HHR	N/A
2008	Chevrolet	Malibu	N/A
2008	Pontiac	G5	N/A
2008	Pontiac	G6	N/A
2008	Pontiac	Torrent	N/A
2008	Saturn	Aura	N/A
2008	Saturn	Vue	N/A
2007	Chevrolet	Cobalt	N/A
2007	Chevrolet	Equinox	N/A
2007	Chevrolet	HHR	N/A
2007	Chevrolet	Malibu	N/A
2007	Pontiac	G5	N/A
2007	Pontiac	G6	N/A
2007	Pontiac	Torrent	N/A
2007	Saturn	Aura	N/A
2007	Saturn	Ion	N/A
2007	Saturn	Vue	N/A
2006	Chevrolet	Cobalt	N/A
2006	Chevrolet	Equinox	N/A
2006	Chevrolet	HHR	N/A
2006	Chevrolet	Malibu	N/A
2006	Pontiac	G6	N/A
2006	Pontiac	Pursuit	N/A
2006	Pontiac	Torrent	N/A
2006	Saturn	Ion	N/A
2006	Saturn	Vue	N/A
2005	Chevrolet	Cavalier	N/A
2005	Chevrolet	Cobalt	N/A
2005	Chevrolet	Equinox	N/A
2005	Chevrolet	Malibu	N/A
2005	Pontiac	G6	N/A
2005	Pontiac	Grand Am	N/A
2005	Pontiac	Pursuit	N/A
2005	Pontiac	Sunfire	N/A
2005	Saturn	Ion	N/A
2005	Saturn	L300	N/A
2005	Saturn	Vue	N/A
2004	Chevrolet	Cavalier	N/A
2004	Chevrolet	Malibu	N/A
2004	Oldsmobile	Alero	N/A
2004	Pontiac	Grand Am	N/A
2004	Pontiac	Sunfire	N/A
2004	Saturn	Ion	N/A
2004	Saturn	L300	N/A
2004	Saturn	Vue	N/A
2003	Chevrolet	Cavalier	N/A
2003	Chevrolet	Malibu	N/A
2003	Oldsmobile	Alero	N/A
2003	Pontiac	Grand Am	N/A
2003	Pontiac	Sunfire	N/A
2003	Saturn	Ion	N/A
2003	Saturn	L200	N/A
2003	Saturn	L300	N/A
2003	Saturn	LW200	N/A
2003	Saturn	LW300	N/A
2003	Saturn	Vue	N/A
2002	Chevrolet	Cavalier	N/A
2002	Chevrolet	Malibu	N/A
2002	Oldsmobile	Alero	N/A
2002	Pontiac	Grand Am	N/A
2002	Pontiac	Sunfire	N/A
2002	Saturn	L100	N/A
2002	Saturn	L200	N/A
2002	Saturn	L300	N/A
2002	Saturn	LW200	N/A
2002	Saturn	LW300	N/A
2002	Saturn	Vue	N/A
2001	Chevrolet	Cavalier	N/A
2001	Chevrolet	Malibu	N/A
2001	Oldsmobile	Alero	N/A
2001	Pontiac	Grand Am	N/A
2001	Pontiac	Sunfire	N/A
2001	Saturn	L100	N/A
2001	Saturn	L200	N/A
2001	Saturn	L300	N/A
2001	Saturn	LW200	N/A
2001	Saturn	LW300	N/A
2000	Chevrolet	Cavalier	N/A
2000	Chevrolet	Malibu	N/A
2000	Oldsmobile	Alero	N/A
2000	Pontiac	Grand Am	N/A
2000	Pontiac	Sunfire	N/A
2000	Saturn	LS	N/A
2000	Saturn	LS1	N/A
2000	Saturn	LS2	N/A
2000	Saturn	LW1	N/A
2000	Saturn	LW2	N/A
1999	Chevrolet	Cavalier	N/A
1999	Chevrolet	Malibu	N/A
1999	Oldsmobile	Alero	N/A
1999	Oldsmobile	Cutlass	N/A
1999	Pontiac	Grand Am	N/A
1999	Pontiac	Sunfire	N/A
1998	Chevrolet	Cavalier	N/A
1998	Chevrolet	Malibu	N/A
1998	Oldsmobile	Achieva	N/A
1998	Oldsmobile	Cutlass	N/A
1998	Pontiac	Sunfire	N/A
1997	Chevrolet	Cavalier	N/A
1997	Chevrolet	Malibu	N/A
1997	Oldsmobile	Achieva	N/A
1997	Oldsmobile	Cutlass	N/A
1997	Pontiac	Sunfire	N/A
1996	Chevrolet	Cavalier	N/A
1996	Pontiac	Sunfire	N/A
1995	Chevrolet	Cavalier	N/A
1995	Pontiac	Sunfire	N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

24221233

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.