1984 Mercury Cougar Emission Control Parts
- Walker®Ultra™ Universal Fit Large Oval Body Catalytic ConverterUniversal Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. With O2 Sensor Port. Catalytic Converter Overall Length: 18". The Right converter,...$122.73 - $157.97
- AP Exhaust®Super X Duty Universal Fit Large Oval Body Catalytic ConverterUniversal Super X Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. With 1 Center O2 Sensor Port. Catalytic Converter Overall Length: 17"....$214.23
- iD Select®ECO GM Universal Fit Large Round Body Catalytic ConverterUniversal ECO GM Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 16". Swap out your worn-out or...$219.10
- Eastern Catalytic®ECO GM II Universal Fit Large Round Body Catalytic ConverterUniversal ECO GM II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 Angled O2 Sensor Port. Catalytic Converter Overall Length: 16". Whether your...$248.92
- Eastern Catalytic®ECO GM Universal Fit Large Round Body Catalytic ConverterUniversal ECO GM Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. Catalytic Converter Overall Length: 16". Whether your catalytic converter is damaged by...$248.27 - $248.92
- Eastern Catalytic®ECO II Universal Fit Large Round Body Catalytic ConverterUniversal ECO II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 16". Whether your catalytic...$145.33 - $173.20
- ACAT Global®High Performance Universal Fit Catalytic ConverterUniversal High Performance Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. This product features the elaborate design that was engineered with superior precision and refined to the last detail. Made from...$138.95 - $259.95
- ACAT Global®Universal Fit Catalytic ConverterUniversal Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. This product features the elaborate design that was engineered with superior precision and refined to the last detail. Made from reliable materials...$121.66 - $231.95
- Herko®Oxygen SensorMercury Cougar 2.3L 1984, Oxygen Sensor by Herko®. Position: Upstream. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help restore proper fuel system...Will help optimize your vehicle’s performance and fuel efficiencyBuilt using high-grade materials for ultimate quality and durability$28.56
- TruParts®Engine Crankcase Breather ElementMercury Cougar 3.8L 1984, Engine Crankcase Breather Element by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$6.27
- Herko®EGR Pressure SensorMercury Cougar Base / LS / XR-7 Canada Built / USA Built 1984, EGR Pressure Sensor by Herko®. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help restore...Will help optimize your vehicle’s performance and fuel efficiencyBuilt using high-grade materials for ultimate quality and durability$30.63
- ACAT Global®Universal Fit Round Body Catalytic ConverterMercury Cougar 2.3L with Single Exhaust System, PRE-OBDII Standard, 1 Catalytic Converter, PC-1 Weight Class, TWC Converter Type 1984, Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. Position: Upper....$489.95
- Victor Reinz®Catalytic Converter GasketMercury Cougar 3.8L / 5.0L 1984, Catalytic Converter Gasket by Victor Reinz®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...High quality at an affordable priceExpertly made from premium materials$3.49
- Chevrolet Performance®Diesel Exhaust FluidDiesel Exhaust Fluid by Chevrolet Performance®. Sold individually. Diesel Exhaust Fluid (DEF) is a non-flammable fluid consisting of 2/3 purified water and 1/3 ammonia-based urea. DEF is used with diesel engine exhaust systems to reduce...High quality at an affordable priceExpertly made from premium materials$11.27
- Fast®Vapor Canister Purge FittingVapor Canister Purge Fitting by Fast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...High quality at an affordable priceExpertly made from premium materials$12.95 - $18.95
- ReplacementECO GM Universal Fit Catalytic ConverterUniversal ECO GM Catalytic Converter by Replacement. Converter Configuration: Universal Fit. A vehicle's exhaust system is pivotal to both performance and eco-friendliness, silently managing engine noise and controlling emissions....Call for Pricing
- ReplacementECO III Universal Fit Catalytic ConverterUniversal ECO III Catalytic Converter by Replacement. Converter Configuration: Universal Fit. A vehicle's exhaust system is pivotal to both performance and eco-friendliness, silently managing engine noise and controlling emissions....Call for Pricing
- ReplacementStandard Universal Fit Large Round Body Catalytic ConverterUniversal Standard Catalytic Converter by Replacement. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. Catalytic Converter Overall Length: 24". A vehicle's exhaust system is pivotal to both...Call for Pricing
- ReplacementUniversal Fit Catalytic ConverterUniversal Catalytic Converter by Replacement. Converter Configuration: Universal Fit. A vehicle's exhaust system is pivotal to both performance and eco-friendliness, silently managing engine noise and controlling emissions. Replacement...Call for Pricing
Shop By Service Type
- EGR Valve Replacement
- Air Pump Check Valve Replacement
- Oxygen Sensor Replacement
- EGR Valve Position Sensor Replacement
- Canister Purge Solenoid Replacement
- Secondary Air Injection Hose Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Crankcase Vent Filter Replacement
- Air Pump Check and Diverter Valve Replacement
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1984 Mercury Cougar Models
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