838+ 1978 Dodge Diplomat Engine & Drivetrain Parts - Page 39

Engine & Drivetrain (838 products)

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.040

Fits All Trims

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

$98.57

Granatelli 75-79 Dodge All Models 8Cyl 5.2L MPG Plus Ignition Wires

Granatelli Motor Sports

Part # 38-1576MPG

Fits All Trims

Granatelli 75-79 Dodge All Models 8Cyl 5.2L MPG Plus Ignition Wires

$144.64

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

Mahle OE

Part # 41218.030

Fits All Trims

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

$46.11

Wiseco

Part # 3940H

Fits All Trims

Wiseco Ring Set-3.940inch Bore 1/16 x 1/16 x 3/16inch Ring Shelf Stock

$20.99

Wiseco

Part # 60011LB8

Choose Trim

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

$152.63

Clevite

Part # MS1344A20

Fits All Trims

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

$60.08

King Chrysler 273/277/301/303/313/318/326/340ci (Size 020) Performance Rod Bearing Set

King Engine Bearings

Part # CR805XPN020

Fits All Trims

King Chrysler 273/277/301/303/313/318/326/340ci (Size 020) Performance Rod Bearing Set

$144.00

FTI 9.5in TF-8/727 Street Racer Series Converters Sprague Type - 2800 Stall

FTI Performance

Part # SRC33808

Fits All Trims

FTI 9.5in TF-8/727 Street Racer Series Converters Sprague Type - 2800 Stall

$891.07

Clevite

Part # MS1266A30

Choose Trim

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

$74.88

NGK American Motors Ambassador 1971-1965 Spark Plug Wire Set

NGK

Part # 52431

Fits All Trims

NGK American Motors Ambassador 1971-1965 Spark Plug Wire Set

$23.48

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

Mahle OE

Part # 50069CP.020

Fits All Trims

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

$61.66

MAHLE Original Chrysler Cordoba 80-75 Full Set

Victor Reinz

Part # FS3536D

Choose Trim

MAHLE Original Chrysler Cordoba 80-75 Full Set

$132.89

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

Mahle OE

Part # 41226

Fits All Trims

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

$69.29

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

King Engine Bearings

Part # CR805XPN030

Fits All Trims

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

$144.00

Clevite

Part # MS1266HGX

Choose Trim

Clevite Chrylser 360CID 5.9L 1974-2003 Main Bearing Set

$127.28

NGK

Part # 6578

Fits All Trims

NGK Standard Spark Plug (BPR4ES SOLID)

$6.59

Mahle OE

Part # 40069CP.060

Fits All Trims

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

$107.08

FTI 9.5in TF-8/727 Spragless Mud Racing Converters Aluminum Stator - 2800 Stall

FTI Performance

Part # MRC33808

Fits All Trims

FTI 9.5in TF-8/727 Spragless Mud Racing Converters Aluminum Stator - 2800 Stall

$923.71

FTI 9.5in TF-8/727 Spragless Mud Racing Converters Aluminum Stator - 3600 Stall

FTI Performance

Part # MRC00868

Fits All Trims

FTI 9.5in TF-8/727 Spragless Mud Racing Converters Aluminum Stator - 3600 Stall

$923.71

ACL Chrysler Prod. V8 318-340-360 Race Series Engine Connecting Rod Bearing Set

ACL

Part # 8B481HX-STD

Fits All Trims

ACL Chrysler Prod. V8 318-340-360 Race Series Engine Connecting Rod Bearing Set

$183.08

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)

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Other Dodge Diplomat Years

Engine & Drivetrain (838 products)

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

Granatelli 75-79 Dodge All Models 8Cyl 5.2L MPG Plus Ignition Wires

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

Wiseco Ring Set-3.940inch Bore 1/16 x 1/16 x 3/16inch Ring Shelf Stock

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

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

King Chrysler 273/277/301/303/313/318/326/340ci (Size 020) Performance Rod Bearing Set

FTI 9.5in TF-8/727 Street Racer Series Converters Sprague Type - 2800 Stall

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

NGK American Motors Ambassador 1971-1965 Spark Plug Wire Set

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

MAHLE Original Chrysler Cordoba 80-75 Full Set

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

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

Clevite Chrylser 360CID 5.9L 1974-2003 Main Bearing Set

NGK Standard Spark Plug (BPR4ES SOLID)

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

FTI 9.5in TF-8/727 Spragless Mud Racing Converters Aluminum Stator - 2800 Stall

FTI 9.5in TF-8/727 Spragless Mud Racing Converters Aluminum Stator - 3600 Stall

ACL Chrysler Prod. V8 318-340-360 Race Series Engine Connecting 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?