1989 Mercury Cougar Tune-Up Parts
152 parts verified to fit your 1989 Mercury Cougar for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(3)primaryFuel Injectors
(8)companion

Dorman
5/16 In. Fuel Line Retaining Clips
$4.06

Autobest
Autobest F1009A Fuel Pump and Sender Assembly
$78.68

Autobest
Autobest F1055 In Tank Electric Fuel Pump
$25.83

DeatschWerks
DeatschWerks 85-04 Mustang GT / 97-04 Corvette LS1 / 98-02 Firebird 95lb/hr Injectors (Set of 6)
$633.86


DeatschWerks
DeatschWerks 99-10 Ford Mustang V6 3.8 / 4.0L Bosch EV14 1200cc Injectors (Set of 6)
$838.66

DeatschWerks
DeatschWerks 99-10 Ford Mustang V6 3.8L /4.0 Bosch EV14 1500cc Injectors (Set of 6)
$1289.22

DeatschWerks
DeatschWerks Bosch EV14 Universal 60mm/14mm 220lb/hr Injectors (Set of 6)
$1258.50

DeatschWerks
DeatschWerks Set of 6 Bosch EV14 1250cc Ford Mustang V6 3.8L /4.0 99-04 EV14 60mm Long
$838.66
Fluids & Additives
(8)consumableaFe
aFe Pro GUARD D2 Oil Filter 97-08 Ford Trucks V6 4.2L / V8 4.6L (4 Pack)
$60.13
aFe
aFe ProGuard D2 Fluid Filters Oil F/F OIL Ford Trucks 97-08 V6-4.2L V8-4.6L
$16.38


ATP
ATP Automatic Transmission Oil Pump Seal
$6.99


Bosch
Bosch Oil Filter
$6.55


Bosch
Bosch Oil Filter
$8.56


Dorman
Breather Element Clips
$3.76


Standard Motor Products
Crankcase Ventilation Filter
$9.14


Hayden
Engine Oil Cooler Metal Line Kit
$48.14
Tune-Up for Other Mercury Cougar Years
Other Jobs for Your 1989 Mercury Cougar
Frequently Asked Questions
What parts do I need for a tune-up on my 1989 Mercury Cougar?
A complete tune-up on the 1989 Mercury Cougar 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 1989 Mercury Cougar?
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 1989 Mercury Cougar?
Yes, all parts on this page are verified to fit the 1989 Mercury Cougar 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 1989 Mercury Cougar?
We carry tune-up parts from trusted brands including aFe, K&N, Dorman, Autobest, and DeatschWerks. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 1989 Mercury Cougar?
The cost of a tune-up for the 1989 Mercury Cougar 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.

