1969 1/2-1981 Pontiac Buick and Olds coolant sleeve seal inserts 1985 2L gmc r2500 89-87 V8

2L gmc r2500 89-87 V8 379 6

6L Lincoln Aviator 2003 - 2005 4

0L AMC HORNET 77-73 V8 304 5

The 4-1/2" taller more common pump is 1649

F6TZ8V501AARM

1969 1/2-1981 Pontiac Buick and Olds coolant sleeve seal inserts 1985 2L gmc r2500 89-87 V8A pair of coolant sleeve seal inserts for 1969 1 2 to 1981. Corresponds with Gm part number 9796347. These bridge the gap between the divider plate and the timing cover and ensure that the freshly pumped coolant actually flows through the block rather than around in circles inside the water pump cavity of the timing cover. What's the coolant path ? The water pump circulates coolant from the radiator into the block by pumping coolant through the water