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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 1978 Dodge Diplomat S.
DFC
Part # 331-39011
$94.40
Dorman
Part # 12701
$18.77
PowerStop
Part # B446
$37.75
DFC
Part # 1901-0445-00
$49.79
Dorman
Part # 42044
$15.42
Dorman
Part # 799-443
$26.42
Wagner
Part # Z445
$41.35
Sunsong
Part # 2203046
$20.34
Dorman
Part # H88971
$23.94
Dorman
Part # H86608
$36.59
DFC
Part # 372-40017
$22.74
Dorman
Part # W78734
$18.94
DFC
Part # 350-39030
$33.86
MPA
Part # NM1628
$56.43
Dorman
Part # 42081
$13.13
Raybestos
Part # H2528
$17.57
Raybestos
Part # H1177
$3.93
Russell
Part # 639530
$19.28
Centric Parts
Part # 111.04460
$54.50
Dorman
Part # H88972
$20.46
This page groups parts listed for the 1978 Dodge Diplomat S. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.
We offer a wide selection of brakes & rotors parts for the 1978 Dodge Diplomat S. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.
We carry parts from trusted brands including DFC, Dorman, Raybestos, Centric Parts, and Sunsong, plus many more. Filter by brand to find your preferred manufacturer.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.
