Engines & Engine Parts for 1978 Mercury Cougar
Find parts that fit
We need more information about your vehicle to confirm fit.
1978
Mercury
Cougar
Shop by Popular Categories
SPONSOREDSPONSOREDSPONSOREDSPONSOREDSPONSORED
10,375 Results
1978 Mercury Cougar Carburator Throttle Linkage (Fits: 1978 Mercury Cougar)
Parts Only: Mercury$13.50Was: $15.00$7.10 shippingCometic Head Gasket For Mercury Cougar 1980-1993 4.155in Round Bore .040 inch (Fits: 1978 Mercury Cougar)
✔Fast Shipping ✔Perfect Fitment ✔Hassle Free ReturnsBrand New: Cometic Gasket$135.66Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $200.26Free shippingEngine Cylinder Head Gasket Set Fel-Pro HS 8548 PT-6 FOR FORD MERCURY 5.8L OHV (Fits: 1978 Mercury Cougar)
New (Other): Fel-Pro$59.99Estimated delivery dateEst. delivery Thu, Jun 6or Best OfferCOMP Cams 17045-16 High Energy Rocker Arms (Fits: 1978 Mercury Cougar)
JEGS – Selection, Value, Lifetime Support Since 1960…Brand New$257.95Free shipping4 watchingEngine Overhaul Gasket Set for 1969-1983 Ford Mercury 351W Windsor (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$52.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Only 1 left!Warning Light Oil Pressure Switch For 1967-1997 Mercury Cougar & 1968-1977 Comet (Fits: 1978 Mercury Cougar)
Brand New$17.99Free shippingFEL-PRO VS 13264 C VALVE COVER GASKET FITS FORD LINCOLN MERCURY V8 221 255 351W (Fits: 1978 Mercury Cougar)
Brand New: Fel-Pro$7.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Trending at $15.45eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.$10.70 shipping(16) Ford Lincoln Mercury 289 302 351w 1962 - 1997 Enginetech Hydraulic Lifters (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$69.24INTAKE Valves Set/8 for Ford Mercury 351W 5.8L 1969-1974 1.84 head,5.07 length (Fits: 1978 Mercury Cougar)
Brand New: Elgin$51.12Free shippingOnly 1 left!HD Oil Pump Driveshaft for Ford Mercury SBF 289 302 331 347 Windsor (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$11.46Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shipping130 sold(16) Ford Lincoln Mercury 429 460 7.5L 1968 - 1997 Enginetech Hydraulic Lifters (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$69.24Trending at $90.24eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Harmonic Balancer 5.0L 302ci for 1970-80 FORD
Order by Noon EST and this part ships today!Brand New: AM Autoparts$67.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $108.95Free shipping293 soldCOMP Cams 35-414-3 Magnum Hydraulic Camshaft, Fits Ford 302/351W (Fits: 1978 Mercury Cougar)
302, 351W, Hydraulic Flat Tappet Camshaft TypeBrand New$251.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $289.74Free shippingOnly 1 left!DNJ PG4182 Oil Pan Gasket Set For 75-93 Ford Lincoln Mercury 5.8L OHV (Fits: 1978 Mercury Cougar)
Brand New$999.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingEngine Oil Pump-Stock Melling M-84AHV (Fits: 1978 Mercury Cougar)
Brand New: Melling$68.00Trending at $75.40eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.or Best OfferFree shippingEngine Oil Pump for Ford F-150 1977-1981 F-250 F-350 Mercury Cougar 1971-1978 (Fits: 1978 Mercury Cougar)
Brand New: Unbranded$38.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingFord Lincoln Mercury 260 289 302 5.0 Enginetech Rod - Main Bearings 1962 - 2001 (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$46.24Trending at $68.22eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Sealed Power H273CP30 Set of 8 Hypereutectic Flat Top Pistons for SBF 289/302 (Fits: 1978 Mercury Cougar)
Fast and Free Shipping. Easy Returns. Great service.Brand New: Sealed Power(1)1 product ratings - Sealed Power H273CP30 Set of 8 Hypereutectic Flat Top Pistons for SBF 289/302$192.62Estimated delivery dateEst. delivery Thu, Jun 6or Best Offer12 watchingFord Mercury 289 302 351W 5.0 5.8 1963 - 1994 Enginetech Moly Piston Rings (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$47.24Free shippingNew Engine Oil Pump for Ford Lincoln Mercury High Volume Pump Standard Pressure (Fits: 1978 Mercury Cougar)
Brand New: Unbranded$37.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping(8) Ford Mercury 302 5.0 5.0L 1985 - 1995 Enginetech Hypereutectic Pistons (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$185.24Free shippingOnly 1 left!2530 for 87-93 Rear Transmission Mount 1Pc for Ford Mustang 5.0L D4ZZ6068A (Fits: 1978 Mercury Cougar)
Rear Transmission Mount for Automatic & ManualBrand New$20.99Was: $26.24or Best OfferFree shippingMelling High Performance Oil Pump 10688 for 1962-1963 Mercury Meteor (Fits: 1978 Mercury Cougar)
FREE AND FAST SHIPPING. FREE RETURNS. 100% AUTHENTIC!Brand New: Melling$117.02Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingFord Mercury 289 302 5.0 64 - 85 Enginetech Flat Top Pistons (8) - Cast Rings (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$176.241976-1979 Ford Mustang Granada Mercury Cougar Dipstick Dip Stick Oil check 302
Pre-Owned: Ford$25.00or Best OfferFree shippingEngine Oil Pump for Ford F-100 F-150 F-250 F-350 LTD II Mustang Mercury Cougar (Fits: 1978 Mercury Cougar)
Brand New: Unbranded$36.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingHarmonic Balancer 5.0L 302ci for 1970-80 FORD (Fits: 1978 Mercury Cougar)
Order by Noon EST and this part ships today!Brand New: AM Autoparts$67.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $108.95Free shipping68 soldFord Mercury 302 5.0 Enginetech Hypereutectic Pistons - Moly Rings 86-95 030-060 (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$225.24Only 1 left!Assault Racing 6.4" Small Block Ford Harmonic Balancer Damper 28.4oz SBF 302 351 (Fits: 1978 Mercury Cougar)
Brand New: Custom$129.9919 watchingDNJ VSS4203 Valve Stem Seals For 76-87 Ford Lincoln Mercury 5.8L OHV (Fits: 1978 Mercury Cougar)
Brand New$999.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingFord Lincoln Mercury 289 302 5.0 1964 - 1985 (8) Enginetech Flat Top Pistons (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$149.24Spectre 5723 Dipstick with Tube, Fits Ford/Mercury 221-351, Lincoln 5.0L (Fits: 1978 Mercury Cougar)
Flat rate shipping|60 day returns|Expert tech supportBrand New: Spectre Performance$19.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $22.99$10.99 shippingElgin SSR-2888RS Ford Mercury Big Block Roller Rocker Arm Set 68-01 BBF 302-460 (Fits: 1978 Mercury Cougar)
Brand New: Elgin$165.95Free shippingOnly 1 left!1970-82 FORD MERCURY 351C 400 CLEVELAND V8 BLUE ALUMINUM TIMING COVER & SEAL (Fits: 1978 Mercury Cougar)
Brand New$159.95Free shippingOnly 1 left!Ford Mercury 260 289 302 1964 - 1984 Enginetech Rebuilder Gasket Set (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$52.24Trending at $56.00eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping1978 FORD MERCURY 351 WINDSOR VALVE COVER
Excellent Customer Service!Pre-Owned: Mercury$56.69or Best OfferFree shippingCanton 15-610 Oil Pan For Ford 289-302 Front T Sump Street Pan (Fits: 1978 Mercury Cougar)
FREE AND FAST SHIPPING. FREE RETURNS. 100% AUTHENTIC!Brand New: Canton$385.30Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingMain Rod Bearings Fit 77-97 Ford Bronco Mercury Marquis 5.8L OHV WINDSOR (Fits: 1978 Mercury Cougar)
Brand New$63.95Free shippingFord Lincoln Mercury 351 351w Windsor 1977-1993 (8) Enginetech Dish Top Pistons (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$175.24Free shipping1963-1989 FITS FORD MUSTANG MERCURY LINCOLN 260 289 302 V8 OIL PAN GASKET SET (Fits: 1978 Mercury Cougar)
Brand New: DNJ Engine Components(2)2 product ratings - 1963-1989 FITS FORD MUSTANG MERCURY LINCOLN 260 289 302 V8 OIL PAN GASKET SET$14.99Free shippingAll major engine Gaskets for Ford, Mercury V8 302 1977 - 1985 small block save $ (Fits: 1978 Mercury Cougar)
Brand New: ROL$54.95Free shippingEngine Harmonic Balancer for Ford F-100 F-150 F-250 F-350 Bronco Mercury Lincoln (Fits: 1978 Mercury Cougar)
Brand New$61.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping1964-73 FORD MERCURY SMALL BLOCK WINDSOR 260 289 302 351W TIMING COVER POINTER (Fits: 1978 Mercury Cougar)
Brand New$49.95Free shipping2 watching1970-82 FORD MERCURY NOISY DUAL IDLER GEAR DRIVE SET 351C 400 CLEVELAND (Fits: 1978 Mercury Cougar)
Brand New$99.95Free shippingEdelbrock 4460 Signature Series Valve Cover (Fits: 1978 Mercury Cougar)
For Select 62-01 Ford Lincoln Mercury ModelsBrand New: Edelbrock$89.80Was: $131.99Free shippingFord Lincoln Mercury 351 400 Cleveland Modified 70-82 Enginetech Cam Bearings (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$25.24Free shippingFord Lincoln Mercury 289 302 351w Windsor 5.0 5.8 Enginetech Piston Rings (Fits: 1978 Mercury Cougar)
Brand New: Enginetech$36.24Free shippingSealed Power Full Overhaul Gasket Set for 1962-1982 Ford 289 302 5.0L Windsor (Fits: 1978 Mercury Cougar)
Brand New: Sealed Power$92.98Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
98 soldFORD MERCURY HEX HEAD OIL PAN BOLT SET KIT ZINC 260 289 302 351W 48 pieces Nice (Fits: 1978 Mercury Cougar)
Brand New$13.47Free shippingTransmission Mount 1978-1998 for Ford Mustang 1980-1988 for Mercury Cougar
Brand New: Anchor$21.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingEngine Head Gasket Set Fel-Pro HS 8548 PT-6 FOR FORD MERCURY 5.8L OHV hs8548pt6 (Fits: 1978 Mercury Cougar)
Brand New: Fel-Pro$54.99Estimated delivery dateEst. delivery Thu, Jun 6Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Melling Camshaft 24110; Class 1 Hydraulic Roller, RetroFit .444" 298/282 for SBF (Fits: 1978 Mercury Cougar)
PerformanceParts - Right Parts, Right Price, Right AwayBrand New$336.95Estimated delivery dateEst. delivery Thu, Jun 6Only 1 left!New ListingMcCord 1962-1995 Ford Lincoln Mercury Small Block valve cover gaskets / CV989HT (Fits: 1978 Mercury Cougar)
New (Other)$16.16Was: $17.95$8.50 shippingEngine Cylinder Head Bolt 10 Piece Set Dorman 675-131 Plus Extras (Fits: 1978 Mercury Cougar)
New (Other): Dorman$19.99$5.80 shipping77 78 79 80 81 Ford F150 Driver Left Cylinder Head Oem 351m 5.8l (Fits: 1978 Mercury Cougar)
Pre-Owned: Ford$297.42Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $349.90or Best Offer$65.00 shipping