1978 Jeep CJ Emission Control Parts
Select Your Submodel
-
WVE®EGR ValveJeep CJ5 / CJ7 3.8L 1978, EGR Valve by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to minimize emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$46.19 - $139.37 - Standard®PCV ValveJeep CJ 1978, PCV Valve by Standard®. No Connector. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to...Made with precision and quality in mindDesigned to meet your specific needs$4.72 - $5.37
- Standard®EGR ValveJeep CJ5 / CJ7 1978, EGR Valve by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...Polyester-reinforced silicone diaphragm resists thermal aging in temperatures up to 200°CInjection-molded high-temperature polymer prevents temperature-releated failures$86.20 - $118.84
- Crown®PCV ValveJeep CJ 1978, PCV Valve by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!Developed to improve your driving experienceConstructed to ensure ultimate operation$21.38
- Standard®Intermotor™ EGR ValveJeep CJ5 / CJ7 1978, Intermotor™ EGR Valve by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Made with precision and quality in mindDesigned to meet your specific needs$36.14 - $36.91
- Standard®Vapor Canister FilterJeep CJ5 / CJ7 1978, Vapor Canister Filter by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Made with precision and quality in mindDesigned to meet your specific needs$3.10
- Standard®Engine Crankcase Breather ElementJeep CJ5 / CJ7 1978, Engine Crankcase Breather Element by Standard®. 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....Made with precision and quality in mindDesigned to meet your specific needs$8.99
- Crown®Crankcase Breather FilterJeep CJ5 / CJ7 1978, Crankcase Breather Filter by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for...Developed to improve your driving experienceConstructed to ensure ultimate operation$15.40
- Standard®PCV Valve GrommetJeep CJ 4.2L 1978, PCV Valve Grommet by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to...Made with precision and quality in mindDesigned to meet your specific needs$3.86
- Standard®Intermotor™ EGR Valve GasketJeep CJ5 / CJ7 1978, Intermotor™ EGR Valve Gasket by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...Made with precision and quality in mindDesigned to meet your specific needs$2.02
- WVE®EGR Valve GasketJeep CJ5 / CJ7 3.8L / 4.2L / 5.0L 1978, EGR Valve Gasket by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$1.84
- SKP®EGR Valve GasketJeep CJ5 / CJ7 1978, EGR Valve Gasket by SKP®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...Made with precision and quality in mindDesigned to meet your specific needs$0.90
- Mahle®EGR Valve GasketJeep CJ 1978, EGR Valve Gasket by Mahle®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...Made with precision and quality in mindDesigned to meet your specific needs$1.58
- Fel-Pro®EGR Valve GasketJeep CJ5 / CJ7 3.8L / 4.2L / 5.0L 1978, EGR Valve Gasket by Fel-Pro®. Position: Passenger Side. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global...Direct OEM replacement for a proper fitEnsures reliable sealing performance$1.56
- MagnaFlow®Pre-OBDII Universal Fit Oval Body Catalytic ConverterJeep CJ5 / CJ7 3.8L / 4.2L / 5.0L with PRE-OBDII Standard 1978, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port....$480.00
- MagnaFlow®Standard Universal Fit Oval Body Catalytic ConverterJeep CJ5 / CJ7 3.8L / 4.2L / 5.0L 1978, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5"....$119.00
- iD Select®Standard Universal Fit Oval Body Catalytic ConverterJeep CJ5 / CJ7 3.8L / 4.2L / 5.0L 1978, Standard Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic...$72.47
- Walker®CalCat™ Universal Fit Large Oval Body Catalytic ConverterJeep CJ5 / CJ7 3.8L / 4.2L / 5.0L 1978, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic...$550.24
- AP Exhaust®Universal Fit Catalytic ConverterJeep CJ 1978, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Today’s exhaust performance market continues to cover a...$82.40 - $358.66
- CATCO®Pre-OBDII Universal Fit Oval Body Catalytic ConverterJeep CJ with California Emission / with Federal Emission 1978, Pre-OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Designed and manufactured with...$120.44 - $221.53
- Mahle®Catalytic Converter GasketJeep CJ 1978, Catalytic Converter Gasket by Mahle®. Position: Inlet. Flange Type. 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...High quality at an affordable priceExpertly made from premium materials$5.05
- Walker®Ultra™ Universal Fit Small Oval Body Catalytic ConverterJeep CJ5 / CJ7 3.8L / 4.2L / 5.0L 1978, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic...$82.89
- Eastern Catalytic®Standard Universal Fit Oval Body Catalytic ConverterJeep CJ5 / CJ7 3.8L / 4.2L / 5.0L 1978, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port....$118.45
- iD Select®ECO II Universal Fit Catalytic ConverterUniversal ECO II Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 16". Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD Select....$144.22 - $146.77
- Walker®Ultra™ Universal Fit Catalytic ConverterUniversal Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. This part features the correct load of precious metals to ensure the proper limitation of tailpipe emissions. It meets the EPA policy and...$111.92 - $330.87
- Davico®OBDII Universal Fit Catalytic ConverterUniversal OBDII Catalytic Converter by Davico®. Converter Configuration: Universal Fit. This Universal fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat...$115.32 - $765.46
- AP Exhaust®608 Series Universal Fit Catalytic ConverterUniversal 608 Series Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Without Air Tube. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is...$104.68 - $415.87
- AP Exhaust®Enhanced Standard Duty Universal Fit Oval Body Catalytic ConverterUniversal Enhanced Standard Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Converter Overall Length: 16". Today’s exhaust...$90.57 - $125.57
- AP Exhaust®Medium Duty Universal Fit Oval Body Catalytic ConverterUniversal Medium Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. With 1 Center O2 Sensor Port. Catalytic Converter Overall Length: 17"....$140.56
- AP Exhaust®Standard Duty Spun Body Universal Fit Round Body Catalytic ConverterUniversal Standard Duty Spun Body Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Today’s exhaust performance market...$101.22 - $250.00
Shop By Service Type
Popular Products
- $82.89 - $550.24
- $36.39 - $139.97
-
1978 Jeep CJ Models
Popular Searches