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Reservoir Cap
Fits Chevrolet, Buick — 2,323 vehicle applications
Customer reviews
- Verified
“I've been ordering from Autrex for over 2 years now. Their fitment tool is incredibly accurate, and I've never received a wrong part. The prices are competitive and shipping is always fast. Highly recommend!”
— Michael T., Toronto, ON
- Verified
“Had an issue with a brake caliper that turned out to be defective. Their warranty team handled the replacement quickly and professionally. New part arrived in 3 days. This is how customer service should be!”
— Sarah L., Vancouver, BC
BFNG T31 Vehicle Fitment
Fits 2,323 vehiclesThis Reservoir Cap fits Chevrolet, Buick vehicles.
1991-2001 Buick Park Avenue
1991-1993 Buick Roadmaster
1991-1993 Buick Commercial Chassis
1988 Buick Reatta
1986-1987 Buick Somerset
1985 Buick Somerset Regal
1982-1989 Buick Skyhawk
1979-1988 Buick Riviera
1978-1993 Buick Century
1978-1987 Buick Regal
1977-1995 Buick LeSabre
1977-1990 Buick Electra
1977-1983 Buick Estate Wagon
1975-1988 Buick Skylark
1975 Buick Apollo
BFNG T31 Specifications
- Gasket Or Seal Material
- Rubber
- Prop 65
- ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov
- Thread Type
- Female
- Prop 65
- WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Thread Diameter
- 1.78 in
- Gasket or Seal Pre-Installed
- Yes
BFNG T31 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
BFNG T31 Product Description
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.
Key Features
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
- Easy installation and removal
- Maintains proper cooling system pressure
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.
About BFNG
Shop BFNG Engine Coolant Reservoir Cap at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG T31. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Frequently Asked Questions — BFNG T31
What vehicles does the BFNG T31 fit?
The BFNG T31 fits 27 vehicle applications including 1978-2002 Chevrolet Camaro, 1991-2001 Buick Park Avenue, 1977-1995 Buick LeSabre, 1978-1993 Buick Century, 1991-1993 Buick Roadmaster and 22 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG T31 replace?
The BFNG T31 is a direct replacement for 7031, 25553770, 25631814, 14011345, 00551304 and 27 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG T31?
Shipping options for the BFNG T31 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 BFNG T31 cost?
The BFNG T31 is currently listed at $6.75 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 Reservoir Cap a direct fit replacement?
Yes, the Reservoir Cap by BFNG is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Reservoir Cap come with?
The Reservoir Cap comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.

