GM Brake Bleeder Adapter Cap (requires Euro adapter)

Weight: 1.00 lbs

GM brake bleeder adapter cap fits securely over reservoirs with a rectangular cover size 4 1/2" x 6 7/8". It was manufactured to fit the Caprice/Impala models (94-96) . The full application list is below....check your reservoir size before ordering to ensure you don't have the smaller 3 1/2" x 6" cap. Please also check the application chart from the GM website (click image to enlarge). This chart may be more thorough than the list below.

  • Pontiac: Bonneville (81-85), Fiero (84-88), Firebird (81-91), Firebird/trans-am (92), Grand Prix (87), Parisienne (83-86), Safari (87-89)
  • Oldsmobile: Regency (82-84), Custom Cruiser (87-92)
  • GMC Trucks & S10/Blazer (82-97)
  • C&K Trucks (81-85) & (92-99)
  • M Vans (96-99)
  • R-V Full Size Pickups (old body style) (87-91)
  • Caprice (81-90) & Caprice/Impala (94-96)
  • Camaro (81-92)
  • Cadillac: Fleetwood (81-92), Eldorado (82-85), Deville (81-84)
  • Buick: B Body & Wagon (91-96), Riviera (82-85), Regal (82-87)

Adapter includes upper cap (with factory GM gasket), lower bracket and 2 hardened steel bolts. Brake fluid reservoir (shown in photo) is NOT included. Red Euro cap is NOT included.

NOTE - this GM adapter requires the use of a Euro cap adapter (45mm round threaded cap) which screws onto the top of the Ultimate Garage GM cap. Assenmacher TA18 adapter cap will work and can be purchased online through various online dealers. Ultimate Garage no longer offers the Euro cap. The Motive 1100 adapter has worked in the past although Motive may have recently re-designed the cap and it may not seal properly without a double gasket or other workaround.


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