1978 Dodge Diplomat Tune-Up Parts
84 parts listed for your 1978 Dodge Diplomat for a complete tune-up. Choose your trim on product pages to confirm exact fit. This is an easy DIY project - estimated 1-2 hours.
Air Filters
(18)primary
aFe
Part # 10-10017
aFe MagnumFLOW Air Filters OER P5R A/F P5R Dodge Cars & Trucks 50-01
- Type
- Engine
$78.23
aFe
Part # 10-10022
aFe MagnumFLOW Air Filters OER P5R A/F P5R Dodge Cars & Trucks 68-89 V8
- Type
- Engine
$78.23
aFe
Part # 11-10017
aFe MagnumFLOW Air Filters OER PDS A/F PDS Dodge Cars & Trucks 50-01
- Type
- Engine
$82.84
aFe
Part # 11-10022
aFe MagnumFLOW Air Filters OER PDS A/F PDS Dodge Cars & Trucks 68-89 V8
- Type
- Engine
$82.84
Standard Motor Products
Part # AV7
Air Cleaner Check Valve
- Type
- Engine
$27.66
Standard Motor Products
Part # AV7T
Air Cleaner Check Valve
- Type
- Engine
$20.94
Baldwin Filters
Part # PA650
Air Element
- Type
- Engine
$9.54
Baldwin Filters
Part # PA615
Air Element
- Type
- Engine
$11.37
Fuel Injectors
(18)companion
Dorman
Part # 96034
Carburetor Pre-Heater Hose - 2 In. X 28 In. - Paper/ Aluminum
$19.36
Standard Motor Products
Part # S-582
Choke Heater Switch Connector
$11.12
Standard Motor Products
Part # HP3890
Choke Heater Switch Connector
$9.22
Edelbrock
Part # 1720
Edelbrock Fuel Pump Mechanical Perf RPM Street 110 GPH Gas Only SB Chrysler
$241.93
Motorad
Part # 12404S
Fuel Cap Tester Adapter
$22.04
Standard Motor Products
Part # FV-7
FUEL PUMP CUT-OFF SWITCH
$81.04
US Motor Works
Part # USEP8004
FUEL PUMP KIT
$57.46
Spectra Premium
Part # CR1A
Fuel Tank
$134.09
Fluids & Additives
(48)consumable
ATP
Part # TO-8
ATP Automatic Transmission Oil Pump Seal
$10.51
Bosch
Part # 72137WS
Bosch Oil Filter
$4.90
Bosch
Part # 3402
Bosch Oil Filter
$6.32
Baldwin Filters
Part # SA4141
Crankcase Breather Filter in Metal Housing
$6.52
EcoGard
Part # X4670
ECOGARD Oil Filter
$3.35
Hayden
Part # 293
Engine Oil Cooler Metal Line Kit
$48.06
Hayden
Part # 112
Engine Oil Cooler Replacement Hose
$36.34
Gates
Part # 31066
Engine Oil Filler Cap
$4.01
Tune-Up for Other Dodge Diplomat Years
Other Jobs for Your 1978 Dodge Diplomat
Frequently Asked Questions
What parts do I need for a tune-up on my 1978 Dodge Diplomat?
A complete tune-up on the 1978 Dodge Diplomat typically requires air filters, fuel injectors, fluids & additives. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
How long does a tune-up take on a 1978 Dodge Diplomat?
A tune-up typically takes 1-2 hours and is rated as easy difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a tune-up myself?
Yes! A tune-up is an easy DIY project that most people can do with basic hand tools. It's a great way to save money on labor costs.
Are these parts guaranteed to fit my 1978 Dodge Diplomat?
These parts are listed for the 1978 Dodge Diplomat using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make tune-up parts for the 1978 Dodge Diplomat?
We carry tune-up parts from trusted brands including aFe, Standard Motor Products, Baldwin Filters, Dorman, and Edelbrock. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 1978 Dodge Diplomat?
The cost of a tune-up for the 1978 Dodge Diplomat depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.