838+ 1978 Dodge Diplomat Engine & Drivetrain Parts - Page 42

Engine & Drivetrain (838 products)

Clevite

Part # CB481HN10

Fits All Trims

Clevite Con Rod Bearing Set

$33.54

Cometic Chrysler LA V8 .066in MLS Cylinder Head Gasket - 4.180in Bore

Cometic Gasket

Part # C5456-066

Fits All Trims

Cometic Chrysler LA V8 .066in MLS Cylinder Head Gasket - 4.180in Bore

$131.62

Mahle Rings Case Chry 225 3.7L Eng 76-83 Chry Ind Engs DeSo 225 Eng 1960 Plain Ring Set

Mahle OE

Part # 50276CP.030

Fits All Trims

Mahle Rings Case Chry 225 3.7L Eng 76-83 Chry Ind Engs DeSo 225 Eng 1960 Plain Ring Set

$32.99

FTI 9.5in TF-8/727 Spragless Mud Racing Converters Aluminum Stator - 3200 Stall

FTI Performance

Part # MRC00828

Fits All Trims

FTI 9.5in TF-8/727 Spragless Mud Racing Converters Aluminum Stator - 3200 Stall

$923.71

Clevite

Part # CB1779A30(8)

Fits All Trims

Clevite Honda H22A1/H22A4 V-TEC 1993-2001 Con Rod Bearing Set

$49.84

King Engine Bearings

Part # MB517SI040

Fits All Trims

King Engine Bearings Chrysler 360 Crankshaft Main Bearings

$61.99

McLeod Hyd T.O. Bearing Slip W/Adjustable Screw Gen Iv MOPAR 1410 Collar W/Master Cylinderer

McLeod Racing

Part # 14065-10

Fits All Trims

McLeod Hyd T.O. Bearing Slip W/Adjustable Screw Gen Iv MOPAR 1410 Collar W/Master Cylinderer

$542.91

FTI 9.5in TF-8/727 Street Racer Series Converters Sprague Type - 3600 Stall

FTI Performance

Part # SRC00868

Fits All Trims

FTI 9.5in TF-8/727 Street Racer Series Converters Sprague Type - 3600 Stall

$891.07

Cometic Chrysler 273/318/340 LA .188in Fiber Oil Pan Gasket Kit

Cometic Gasket

Part # C5627-188

Fits All Trims

Cometic Chrysler 273/318/340 LA .188in Fiber Oil Pan Gasket Kit

$42.71

Clevite

Part # CB481P30(8)

Fits All Trims

Clevite Chry Prod V8 318-340-360 1956-95 Con Rod Bearing Set

$94.00

Granatelli 68-79 Dodge All Models 8Cyl 5.9L Performance Ignition Wires

Granatelli Motor Sports

Part # 28-1576S

Fits All Trims

Granatelli 68-79 Dodge All Models 8Cyl 5.9L Performance Ignition Wires

$135.66

Wiseco

Part # 60011LB4

Choose Trim

Wiseco Chrysler SB 340-360 +8CC 1.460 CH Piston Shelf Stock

$152.63

Clevite

Part # MS1266A

Choose Trim

Clevite Chrysler Pass & Trk 360 V8 1974-94 Main Bearing Set

$75.62

Mahle OE

Part # 2242007030

Fits All Trims

Mahle OE Chrys Pass Marine & Dodge Trk 238.5 3.9L 1986-98 318 5.2L Eng .030 Piston Set (Set of 8)

$198.03

Clevite

Part # CB481P40

Fits All Trims

Clevite Chry Prod V8 318-340-360 1956-95 Con Rod Bearing Set

$33.47

Mahle OE

Part # 50276CP

Fits All Trims

Mahle Rings Case Chry 225 3.7L Eng 76-83 Chry Ind Engs DeSo 225 Eng 1960 Plain Ring Set

$34.94

Mahle Rings Case Checker 318 Eng 59-66 Chry 318 5.2L Eng 75-89 Chry Ind Engs Moly Ring Set

Mahle OE

Part # 40069CP

Fits All Trims

Mahle Rings Case Checker 318 Eng 59-66 Chry 318 5.2L Eng 75-89 Chry Ind Engs Moly Ring Set

$97.31

Clevite

Part # CB481P20

Fits All Trims

Clevite Chry Prod V8 318-340-360 1956-95 Con Rod Bearing Set

$8.60

Showing 821-838 of 838

Frequently Asked Questions

Do these parts fit my 1978 Dodge Diplomat?

This page groups parts listed for the 1978 Dodge Diplomat. 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.

What engine & drivetrain options are available for my 1978 Dodge Diplomat?

We offer a wide selection of engine & drivetrain parts for the 1978 Dodge Diplomat. 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.

What brands make parts for the 1978 Dodge Diplomat?

We carry parts from trusted brands including COMP Cams, Cometic Gasket, Yukon Gear & Axle, Fel-Pro, and Clevite, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1978 Dodge Diplomat parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1978 Dodge Diplomat parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1978 Dodge Diplomat(1,717 parts)

1978 Dodge Diplomat(1,717 parts)

Shop by Problem

Other Dodge Diplomat Years

Engine & Drivetrain (838 products)

Clevite Con Rod Bearing Set

Cometic Chrysler LA V8 .066in MLS Cylinder Head Gasket - 4.180in Bore

Mahle Rings Case Chry 225 3.7L Eng 76-83 Chry Ind Engs DeSo 225 Eng 1960 Plain Ring Set

FTI 9.5in TF-8/727 Spragless Mud Racing Converters Aluminum Stator - 3200 Stall

Clevite Honda H22A1/H22A4 V-TEC 1993-2001 Con Rod Bearing Set

King Engine Bearings Chrysler 360 Crankshaft Main Bearings

McLeod Hyd T.O. Bearing Slip W/Adjustable Screw Gen Iv MOPAR 1410 Collar W/Master Cylinderer

FTI 9.5in TF-8/727 Street Racer Series Converters Sprague Type - 3600 Stall

Cometic Chrysler 273/318/340 LA .188in Fiber Oil Pan Gasket Kit

Clevite Chry Prod V8 318-340-360 1956-95 Con Rod Bearing Set

Granatelli 68-79 Dodge All Models 8Cyl 5.9L Performance Ignition Wires

Wiseco Chrysler SB 340-360 +8CC 1.460 CH Piston Shelf Stock

Clevite Chrysler Pass & Trk 360 V8 1974-94 Main Bearing Set

Mahle OE Chrys Pass Marine & Dodge Trk 238.5 3.9L 1986-98 318 5.2L Eng .030 Piston Set (Set of 8)

Clevite Chry Prod V8 318-340-360 1956-95 Con Rod Bearing Set

Mahle Rings Case Chry 225 3.7L Eng 76-83 Chry Ind Engs DeSo 225 Eng 1960 Plain Ring Set

Mahle Rings Case Checker 318 Eng 59-66 Chry 318 5.2L Eng 75-89 Chry Ind Engs Moly Ring Set

Clevite Chry Prod V8 318-340-360 1956-95 Con Rod Bearing Set

Frequently Asked Questions

Do these parts fit my 1978 Dodge Diplomat?

What engine & drivetrain options are available for my 1978 Dodge Diplomat?

What brands make parts for the 1978 Dodge Diplomat?

How fast do 1978 Dodge Diplomat parts ship?

What warranty do your 1978 Dodge Diplomat parts come with?