838+ 1978 Dodge Diplomat Engine & Drivetrain Medallion Parts - Page 40

Medallion · Engine & Drivetrain (838 products)

Exact-fit parts for the 1978 Dodge Diplomat Medallion.

Mahle Rings Checker 318 Eng 59-66 / Chry 318 5.2L Eng 75-90 Chrome Ring Set

Mahle OE

Part # 41226.030

Confirmed Fit

Mahle Rings Checker 318 Eng 59-66 / Chry 318 5.2L Eng 75-90 Chrome Ring Set

$82.88

MAHLE Original Chrysler Cordoba 78-75 Adhesive Water Outlet

Victor Reinz

Part # C26690

Confirmed Fit

MAHLE Original Chrysler Cordoba 78-75 Adhesive Water Outlet

$14.37

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

Mahle OE

Part # 40276CP.040

Confirmed Fit

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

$85.81

Wiseco

Part # 60011LB4

Confirmed Fit

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

$152.63

Mahle Rings Chrysler 170/198/225 1960-1987 Chrome Ring Set

Mahle OE

Part # 41218.020

Confirmed Fit

Mahle Rings Chrysler 170/198/225 1960-1987 Chrome Ring Set

$38.73

Clevite

Part # MS1344P10

Confirmed Fit

Clevite Chrysler Pass & Trk 318 V8 1974-94 Main Bearing Set

$107.19

MAHLE Original Bristol 408 65 Conversion Set

Victor Reinz

Part # CS3536B

Confirmed Fit

MAHLE Original Bristol 408 65 Conversion Set

$54.39

Clevite

Part # CB481P30(8)

Confirmed Fit

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

$94.00

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

Confirmed Fit

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

$32.99

MAHLE Original Bristol 411 74 Carburetor Mounting

Victor Reinz

Part # G14589

Confirmed Fit

MAHLE Original Bristol 411 74 Carburetor Mounting

$23.14

NGK

Part # 6578

Confirmed Fit

NGK Standard Spark Plug (BPR4ES SOLID)

$6.59

Wiseco

Part # 60011RB3

Confirmed Fit

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

$152.63

Yukon High Performance Yukon Ring & Pinion Gear Set for 10 & Down Chrysler 9.25in In A 3.21 Ratio

Yukon Gear & Axle

Part # YG C9.25-321

Confirmed Fit

Yukon High Performance Yukon Ring & Pinion Gear Set for 10 & Down Chrysler 9.25in In A 3.21 Ratio

$564.89

MAHLE Original Chrysler Cordoba 82-75 Axle Housing Cover Gasket

Victor Reinz

Part # P29352

Confirmed Fit

MAHLE Original Chrysler Cordoba 82-75 Axle Housing Cover Gasket

$10.85

MAHLE Original American Motors Amx 80-78 Automatic Transmission Gasket

Victor Reinz

Part # W39003

Confirmed Fit

MAHLE Original American Motors Amx 80-78 Automatic Transmission Gasket

$22.53

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

Mahle OE

Part # 41226

Confirmed Fit

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

$69.29

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

Granatelli Motor Sports

Part # 28-1576S

Confirmed Fit

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

$135.66

Clevite

Part # CB481A30(8)

Confirmed Fit

Clevite Chrysler Pass & Trk 273 277 301 303 313 318 326 340 360 V8 19 Con Rod Bearing Set

$38.85

MAHLE Original Chrysler Cordoba 80-75 Oil Pan Set

Victor Reinz

Part # OS30520Z

Confirmed Fit

MAHLE Original Chrysler Cordoba 80-75 Oil Pan Set

$22.96

King Chrysler 273/277/301/303/313/318/326/340ci (Size 030) Performance Rod Bearing Set

King Engine Bearings

Part # CR805XPN030

Confirmed Fit

King Chrysler 273/277/301/303/313/318/326/340ci (Size 030) Performance Rod Bearing Set

$144.00

Frequently Asked Questions

Do these parts fit my 1978 Dodge Diplomat Medallion?

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

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

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 Medallion 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 Medallion 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)

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Other Dodge Diplomat Years

1978 Dodge Diplomat(1,717 parts)

Shop by Problem

Other Dodge Diplomat Years

Medallion · Engine & Drivetrain (838 products)

Mahle Rings Checker 318 Eng 59-66 / Chry 318 5.2L Eng 75-90 Chrome Ring Set

MAHLE Original Chrysler Cordoba 78-75 Adhesive Water Outlet

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

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

Mahle Rings Chrysler 170/198/225 1960-1987 Chrome Ring Set

Clevite Chrysler Pass & Trk 318 V8 1974-94 Main Bearing Set

MAHLE Original Bristol 408 65 Conversion Set

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 Original Bristol 411 74 Carburetor Mounting

NGK Standard Spark Plug (BPR4ES SOLID)

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

Yukon High Performance Yukon Ring & Pinion Gear Set for 10 & Down Chrysler 9.25in In A 3.21 Ratio

MAHLE Original Chrysler Cordoba 82-75 Axle Housing Cover Gasket

MAHLE Original American Motors Amx 80-78 Automatic Transmission Gasket

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

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

Clevite Chrysler Pass & Trk 273 277 301 303 313 318 326 340 360 V8 19 Con Rod Bearing Set

MAHLE Original Chrysler Cordoba 80-75 Oil Pan Set

King Chrysler 273/277/301/303/313/318/326/340ci (Size 030) Performance Rod Bearing Set

Frequently Asked Questions

Do these parts fit my 1978 Dodge Diplomat Medallion?

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

What brands make parts for the 1978 Dodge Diplomat Medallion?

How fast do 1978 Dodge Diplomat Medallion parts ship?

What warranty do your 1978 Dodge Diplomat Medallion parts come with?