1991 Mercury Cougar Engine Parts
Select Your Submodel
- Engine Assemblies
- Motor Mounts
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Engine Pulleys
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Management Systems
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Engine Swap Kits
- Throttle Bodies
- Carburetors
- Motor Oils
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Anchor®Front Passenger Side Engine MountMercury Cougar 1991, Front Passenger Side Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket...Direct OEM replacementSecurely supports the engine on the chassis$9.47 - $32.25 - Cloyes®Engine Timing SetMercury Cougar 1991, Engine Timing Set by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$33.18 - $145.17
- iD Select®Engine Timing SetMercury Cougar 5.0L 1991, Engine Timing Set with Silent Type Chain by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form,...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$44.65Save: $4.46 (10%)$40.19
- Sealed Power®Cast PistonMercury Cougar 5.0L 1991, Cast Piston by Sealed Power®. Available on both hypereutectic and POWERFORGED pistons, DUROSHIELD is an exclusive moly-graphite skirt coating that extends engine life and essentially eliminates scuffing. This...Reduce friction for increased fuel economy and horsepowerEssentially eliminate scuffing and wear$22.66 - $25.71
- Melling®Engine Timing SetMercury Cougar 3.8L 1991, Engine Timing Set by Melling®. Melling timing chain kits provide an efficient and economical way to provide the timing components needed for a quality engine rebuild. Timing chain options include both standard...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$28.14
- Enginetech®Driver Side Remanufactured Complete Cylinder HeadMercury Cougar 5.0L 1991, Driver Side Remanufactured Complete Cylinder Head by Enginetech®. Designed utilizing the latest technology, this product by Enginetech features premium quality and will perform better than advertised. Perfect...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$326.10
- Enginetech®Timing SetMercury Cougar 1991, Timing Set by Enginetech®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$19.74 - $50.27
- Cloyes®Outer Crankshaft SprocketMercury Cougar 1991, Outer Crankshaft Sprocket by Cloyes®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$5.39 - $5.92
- Cloyes®Upper Timing Chain TensionerMercury Cougar 3.8L 1991, Upper Timing Chain Tensioner by Cloyes®. A timing chain tensioner maintains appropriate tension in the timing chain system. Depending on the OE design, tensioners can use spring tension and/or hydraulic...Cloyes utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experienceAll Cloyes timing chain tensioners meet or exceed OEM performance requirements$20.95
- Enginetech®Remanufactured Crankshaft KitMercury Cougar 3.8L 1991, Remanufactured Crankshaft Kit by Enginetech®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$337.31
- COMP Cams®Magnum™ Timing SetMercury Cougar LS / XR-7 5.0L 1991, Magnum™ Timing Set by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and knowledgeable...Hardened Cast Iron4 Degree Incremental Adjusting$74.95 - $97.95
- Dorman®OE Solutions™ Harmonic Balancer Assembly KitMercury Cougar 5.0L 1991, OE Solutions™ Harmonic Balancer Assembly Kit by Dorman®. Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the damaging effects of heat, salt, ozone and...Direct replacement to ensure proper fitBenchmarked against OE performance to meet strict quality standards$95.52 - $132.90
- Anchor®Front Driver Side Engine MountMercury Cougar 1991, Front Driver Side Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket supplier,...Direct OEM replacementSecurely supports the engine on the chassis$9.47 - $32.25
- Fel-Pro®PermaDry™ Molded Rubber Valve Cover Gasket SetMercury Cougar 3.8L 1991, PermaDry™ Molded Rubber Valve Cover Gasket Set by Fel-Pro®. PermaDry™ premium molded-rubber is designed for those applications that utilize a molded-rubber gasket as Original Equipment. Molded-rubber...Direct OEM replacement for a proper fitEnsures reliable sealing performance$25.50
- Dorman®Autograde™ Engine Oil Drain PlugMercury Cougar 1991, Autograde™ Engine Oil Drain Plug by Dorman®. Dorman's Oil Drain Plugs are coated for high corrosion resistance and a long service life. Designed to provide a perfect fit for a hassle free installation, this...Oil Drain Plugs are designed and constructed to strict engineering quality standardsThe finest quality at a great price$1.93 - $13.29
- Motorcraft®Engine Oil FilterMercury Cougar 1991, Engine Oil Filter by Motorcraft®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Tested and retested under extreme conditions, Motorcraft filters are also the only filters recommended for Ford, Lincoln and Mercury vehiclesHelps protect against engine wear by screening out abrasives, such as carbon, sand, dust and bits of metal$7.03 - $11.43
- Sealed Power®Premium Piston Ring SetMercury Cougar 5.0L 1991, Premium Piston Ring Set by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and...Direct replacementManufactured to strict engineering quality standards$12.88 - $85.73
- Fel-Pro®Valve Cover Gasket SetMercury Cougar 1991, Valve Cover Gasket Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest...Direct OEM replacement for a proper fitEnsures reliable sealing performance$14.47 - $14.50
- Gates®Micro-V™ V-Ribbed BeltMercury Cougar 1991, Micro-V™ V-Ribbed Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better, in service life...Special belt construction eliminates belt noise, reduces tension loss, and solves problem drive applicationsUtilizes advanced materials like Aramid Fiber found in bullet-proof vests and crack and heat-resistant EPDM materials$33.61 - $34.17
- Fel-Pro®Engine Oil Pan Gasket SetMercury Cougar 1991, Engine Oil Pan Gasket Set by Fel-Pro®. Designed utilizing the latest technology, this product by Fel-Pro features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Direct OEM replacement for a proper fitEnsures reliable sealing performance$10.16 - $29.72
- K&N®Performance Gold™ Wrench-Off Oil FilterMercury Cougar 1991, Performance Gold™ Wrench-Off Oil Filter by K&N®. Originally developed for demanding race applications, K&N's Premium Wrench-Off Oil Filter has become a favorite among consumers for its durability and easy removal....The drilled hole on the nut provides for safety wire attachmentOil filters also use a resin impregnated cellulose filter media$15.99
- Westar®Front Engine MountMercury Cougar 1991, Front Engine Mount by Westar®. Westar's OE replacement motor mounts effectively control engine movement for vibration-free driving. Since 1986, Westar has specialized in distributing top-of-the-line engine mounts...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$13.22 - $28.88
- Mahle®Valve Cover Gasket SetMercury Cougar 1991, Valve Cover Gasket Set by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$10.87 - $40.17
- ACDelco®Professional™ Standard V-Ribbed Serpentine BeltMercury Cougar 1991, Professional™ Standard V-Ribbed Serpentine Belt by ACDelco®. Made of EPDM rubber for long life and quiet, dependable performance, ACDelco Professional Automotive Belts are designed to meet or exceed OEM...Made with precision and quality in mindDesigned to meet your specific needs$48.95 - $51.89Save: up to 16%$40.97 - $44.10
- Dorman®OE Solutions™ Engine Oil PanMercury Cougar 1991, OE Solutions™ Engine Oil Pan by Dorman®. Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.Direct replacement - this engine oil pan is made to match the original pan on specific vehiclesComplete assembly - includes replacement pan and drain plugs to match original components$64.93 - $132.97
- Bosch®Premium™ Engine Oil FilterMercury Cougar 1991, Premium™ Engine Oil Filter by Bosch®. Premium engine performance requires a premium oil filter. Bosch Premium Oil Filters protect your engine by keeping harmful particles and dirt out, preventing premature wear...The Premium filtration media has the capacity to hold up to 14 grams of dirt* in the filter mediaA high glass content is woven into the blended media, providing greater efficiency and strength by trapping 99% of the particulates from getting into the engine$4.95 - $5.92
- Goodyear Belts®Serpentine Multi V-BeltMercury Cougar 1991, Serpentine Multi V-Belt by Goodyear Belts®. Goodyear Belts has developed multi V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s efficiency...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$28.62 - $33.71
- Apex Auto®Valve Cover Gasket SetMercury Cougar 1991, Valve Cover Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Made with precision and quality in mindDesigned to meet your specific needs$8.63 - $22.55
- Gates®DriveAlign™ OE Exact Automatic Belt TensionerMercury Cougar 3.8L 1991, DriveAlign™ OE Exact Automatic Belt Tensioner by Gates®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Comprehensive line includes parts to fit cars, vans, SUVs, and light trucksFull line coverage for import, domestic, and heavy-duty cars, trucks, and vehicle applications$54.28
- Spectra Premium®New Design Engine Oil PanMercury Cougar 5.0L 1991, New Design Engine Oil Pan without Gaskets by Spectra Premium®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...Made with precision and quality in mindDesigned to meet your specific needs$81.15 - $84.92
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1991 Mercury Cougar Engine Reviews
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Best Oil For Duramax
ACDelco® - dexosD™ Light Duty Diesel SAE 0W-20 Synthetic Motor Oil, 1 QuartPosted by Aleski / October 29, 20212020 Chevy Silverado 1500
1991 Mercury Cougar Models
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