1991 Cadillac DeVille Tune-Up Parts
100 parts verified to fit your 1991 Cadillac DeVille for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(7)primary
Denso
Air Filter
$12.79
Standard Motor Products
Air Cleaner Check Valve
$23.95
Standard Motor Products
Air Cleaner Check Valve
$17.22
K&N
K&N 93-96 Chevy Caprice 4.3L / 5.7L, 04-05 Chevy Colorado 2.8L / 3.5L Fuel Filter
$25.99
Spectre
Spectre 06-08 Buick Regal I 2.0/2.5L L4 F/I Replacement Air Filter
$36.99
aFe
aFe MagnumFLOW Air Filters OER PDS A/F PDS GM Cars 91-09 V6/V8
$97.00
aFe
aFe MagnumFLOW Air Filters OER P5R A/F P5R GM Cars 91-09 V6/V8
$91.00
Fuel Injectors
(46)companion
Carter
Fuel Pump - Electric In Tank
$48.09
Motorad
Fuel Cap Tester Adapter
$9.33
Delphi
Electric Fuel Pump
$38.06
Standard Motor Products
Fuel Injector Seal Kit - GDI
$16.10
Bosch
ELECTRIC FUEL PUMP
$51.04
Delphi
Electric Fuel Pump
$92.47
Delphi
Fuel Injection Pressure Regulator
$69.23
Spectra Premium
Fuel Pump Strainer
$2.76
Fluids & Additives
(47)consumable
K&N
K&N Universal Performance Gold Oil Filter
$17.99
Hayden
Transmission Oil Cooler Mounting Kit
$21.09
aFe
aFe Pro GUARD D2 Oil Filter 99-05 GM Gas Trucks V8 4.8L/5.3L/6.0L (4 Pack)
$60.13
Dorman
Oil Drain Plug Pilot Point M12-1.75, Head Size 15Mm
$3.29
Sunsong
Engine Oil Cooler Hose Assembly
$27.00
Four Seasons
Oil Cooler Installation Kit
$11.99
K&N
K&N Oil Filter Automotive 04-12 Chevrolet Colorado 3.7L
$10.99
Motul
Motul 1L Synthetic Engine Oil 8100 5W30 ECO-NERGY - Ford 913C
$146.24
Tune-Up for Other Cadillac DeVille Years
Other Jobs for Your 1991 Cadillac DeVille
Frequently Asked Questions
What parts do I need for a tune-up on my 1991 Cadillac DeVille?
A complete tune-up on the 1991 Cadillac DeVille 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 1991 Cadillac DeVille?
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 1991 Cadillac DeVille?
Yes, all parts on this page are verified to fit the 1991 Cadillac DeVille 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 1991 Cadillac DeVille?
We carry tune-up parts from trusted brands including Denso, Standard Motor Products, K&N, Spectre, and aFe. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 1991 Cadillac DeVille?
The cost of a tune-up for the 1991 Cadillac DeVille 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.