Reservoir Cap
$26.17
BFNG
Part # T31
4.7(47 reviews)Reservoir Cap
Fits Chevrolet, Buick — 2,323 vehicle applications
$6.75
Only 5 left in stock
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.
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
7031255537702563181414011345005513040037197819114615101880341563011217031T31T31703110236STT31T317031P7031542175421582590703112R15RC77703170319T311678-29033710236T31703-173310236
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.
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 — 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.
