Universal Drive Belt Tensioners

Please Note:

There are no vehicle specific engine available for your 1978 Mercury Grand Marquis. Please view our selection of universal fit products below.

Holley® - Tensioner Assembly
0
# 6521784591
$188.27
Holley® - Tensioner Assembly with Smooth Pulley
0
# 6521785328
$181.95
Holley® - Tensioner Assembly with Smooth Pulley (97-156)
0
# mpn5235331006
$134.95