Tame crankshaft vibration and keep the accessory belt tracking true with the ATP engine harmonic balancer (P/N 102049). It's a direct-fit replacement for many Chevrolet and GMC trucks and cars, among them the 1970-1976 Chevrolet Impala 7.4L and the 1975 Chevrolet Malibu 4.1L, spanning both the L6-4.1L and V8-7.4L engines.
A harmonic balancer's job is to absorb the crankshaft's torsional vibrations. These units are typically built in three pieces:
- Hub: bolts directly to the crankshaft.
- Damping layer: rubber or fluid surrounding the hub that dampens crankshaft vibration.
- Outer ring: a metal outer layer grooved for the belt.
Over time the rubber and/or fluid layer deteriorates, letting the outer pulley shift forward. That can cause belt misalignment and, if left unchecked, can contribute to crankshaft damage. When the original balancer is broken or separating, this ATP unit replaces it and is designed to fit and function like the factory part. Country of origin: China.
Fits many Chevrolet and GMC models. See the Buyer's Guide tab for the full list.
Interchange: PB1018-N · P-GM454 · DA-4541
8454 · PC1026 · PC1032 · 594010 · BA454N · 10141212 · 10216339 · 14097023 · 14097024 · 3963529 · 3963530 · 309162 · 6005209 · 872006 · DA4541 · V1010 · PB1018N · PGM454
This part cross-references / interchanges with the following part numbers:
8454, PC1026, PC1032, PB1018-N, 594010, BA454N, 10141212, 10216339, 14097023, 14097024, 3963529, 3963530, 309162, P-GM454, 6005209, 872006, DA-4541, DA4541, V1010
