1978 Mercury Grand Marquis Tune-Up Parts
82 parts verified to fit your 1978 Mercury Grand Marquis for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(5)primary
Fuel Injectors
(8)companion
Autobest
Autobest F4001 Externally Mounted Universal Electric Fuel Pump
$34.15
Dorman
Carburetor Pre-Heater Hose - 2 In. X 18 In. - Aluminum
$8.63
Edelbrock
Edelbrock 289-351 Hi-Perf St Pump
$204.43
Edelbrock
Edelbrock 289-351W Hi-Flow Pump
$210.79
Edelbrock
Edelbrock Ford 429/460 Fuel Pump
$251.03
FAST
FAST Injector Harness EV1 289302
$172.29
Fel-Pro
Fel-Pro Lincoln Mark V 70272 Fuel Pump Mounting Gasket
$1.63
Standard Motor Products
FUEL PUMP CUT-OFF SWITCH
$81.17
Fluids & Additives
(8)consumable
ATP
ATP Automatic Transmission Oil Pump Seal
$6.99
Bosch
Bosch Oil Filter
$9.77
Dorman
Breather Element Clips
$3.76
EcoGard
BULK OIL FILTERS
$4.27
Baldwin Filters
Crankcase Breather Filter in Plastic Housing
$3.62
Baldwin Filters
Crankcase Breather Filter in Plastic Housing
$2.92
Hayden
Engine Oil Cooler Metal Line Kit
$48.14
Hayden
Engine Oil Cooler Replacement Hose
$36.40
Tune-Up for Other Mercury Grand Marquis Years
Other Jobs for Your 1978 Mercury Grand Marquis
Frequently Asked Questions
What parts do I need for a tune-up on my 1978 Mercury Grand Marquis?
A complete tune-up on the 1978 Mercury Grand Marquis typically requires air filters, fuel injectors, fluids & additives. All parts shown on this page are verified to fit your specific vehicle.
How long does a tune-up take on a 1978 Mercury Grand Marquis?
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 Mercury Grand Marquis?
Yes, all parts on this page are verified to fit the 1978 Mercury Grand Marquis using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make tune-up parts for the 1978 Mercury Grand Marquis?
We carry tune-up parts from trusted brands including Standard Motor Products, Bosch, Pronto, WIX, and Autobest. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 1978 Mercury Grand Marquis?
The cost of a tune-up for the 1978 Mercury Grand Marquis 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.