Keep coolant flowing and temperatures in check with the GMB Engine Water Pump 130-1250 — a cast-iron, belt-driven pump built to OE-level tolerances for a broad range of classic GM engines. It serves as a direct-fit replacement across 314 applications spanning 1972–1988, including the Chevrolet Camaro, Caprice, C10/C20/C30 trucks, G-series vans, El Camino, and Astro; Buick Century, Regal, LeSabre, and Skylark; Checker Marathon; and many more, across V6-3.3L, V6-3.8L, V6-4.3L, V8-4.4L, V8-5.0L, V8-5.7L, and V8-6.6L engines — see the Buyer's Guide tab for the complete vehicle list.
If a leaking or worn water pump is behind your overheating or coolant loss, the 130-1250 is designed to restore proper coolant circulation. The metal impeller (standard rotation) and cast-iron housing are engineered for these GM applications — one pump per application. model 130-1250
Does the GMB 130-1250 come with a gasket?
Yes — two paper gaskets are included. Bolts are not included; consult the vehicle service information for the correct fasteners and whether the originals may be reused.
Is the pulley included with this water pump?
No, the pulley is not included. Transfer or replace the pulley as directed by the vehicle service procedure, and follow it for the correct installation steps.
What vehicles does the GMB 130-1250 fit?
It fits 314 applications from 1972–1988 across V6-3.3L through V8-6.6L engines in Chevrolet, Buick, Checker, and other GM-platform vehicles. See the Buyer's Guide tab for the full list.
What are signs my water pump may need replacing?
Watch for coolant seeping from the pump weep hole, engine overheating, a grinding or whining bearing noise, or unexplained coolant loss. Have the system diagnosed to confirm the pump is the cause.
Does this pump use a standard or reverse-rotation impeller?
It uses a standard-rotation metal impeller, matched to OE coolant flow rate and pressure for the listed applications.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
