1991 Toyota 4Runner Emission Control Parts
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Dorman®OE Solutions™ Oxygen Sensor Bung Repair KitOE Solutions™ Oxygen Sensor Bung Repair Kit by Dorman®. Why replace an exhaust pipe because of a corroded, stripped or damaged oxygen sensor bung? Save the pipe and replace the bung with this weld-on replacement. Standard O2 sensor...Repair-friendly solution - this oxygen sensor bung allows replacement of a damaged fitting without replacing the entire exhaust componentUniversal fitment - designed to accommodate standard oxygen sensor threads$9.61 - $11.35 - 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
- CATCO®Universal Fit Catalytic ConverterUniversal Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Without Air Tube. Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced coating, this converter leapfrogs the...$105.61 - $188.45
- 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
- AP Exhaust®Universal Fit Round Body Catalytic ConverterUniversal Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The...$232.31 - $339.18
- 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
- Torxe™Universal Fit Catalytic ConverterUniversal Catalytic Converter by Torxe™. Converter Configuration: Universal Fit. Catalytic Inlet Diameter: 2". Universal Fit Catalytic Converter by Torxe. Replace your clogged, corroded, and malfunctioning catalytic converter for the...$108.00 - $175.00
- Eastern Catalytic®Universal Fit Large Oval Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Catalytic Converter Overall Length: 16". Whether your catalytic converter is damaged by road debris...$155.38 - $255.04
- Eastern Catalytic®Universal Fit Oval Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you...$118.45 - $187.70
- Eastern Catalytic®Universal Fit Round Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you...$129.11 - $178.85
- Eastern Catalytic®Universal Fit Round Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Contains approximately 40% higher precious metal content than most other aftermarket brands. Aristo...$351.21 - $449.64
- Holstein®PCV ValveToyota 4Runner 2.4L Gas 1991, PCV Valve by Holstein®. Global coverage of European, Asian, and Domestic vehicles. OE Replacement Parts You Can Trust. The Variable Valve Timing Solenoid alters the supply of oil pressure to the camshaft...Holstein focuses on using only the highest quality materialsManufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part$3.59
- SMP®PCV Valve GrommetToyota 4Runner 2.4L / 3.0L Gas 1991, PCV Valve Grommet by SMP®. 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....Designed specifically for motorcycle applicationsPerfect to help you work more efficiently$3.25
- Victor Reinz®EGR Valve GasketToyota 4Runner 3.0L Gas 1991, EGR Valve Gasket by Victor Reinz®. With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an...High quality at an affordable priceExpertly made from premium materials$5.82
- Victor Reinz®Catalytic Converter GasketToyota 4Runner Gas 1991, 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 meet...High quality at an affordable priceExpertly made from premium materials$5.46
- ReplacementOxygen SensorToyota 4Runner 1991, Oxygen Sensor by Replacement. 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, this product by Replacement will...Expertly crafted from premium materialsDesigned to match rigorous quality standards$9.62
- Spectra Premium®Oxygen SensorToyota 4Runner 2.4L / 3.0L Gas 1991, Oxygen Sensor by Spectra Premium®. Position: Upstream. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$18.25
- Delphi®Oxygen SensorToyota 4Runner 2.4L Gas 1991, Oxygen Sensor by Delphi®. Position: Front. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$68.12
- Forecast®PCV ValveToyota 4Runner 3.0L 1991, PCV Valve by Forecast®. 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...High quality at an affordable priceExpertly made from premium materials$8.42
- Luber-finer®PCV ValveToyota 4Runner 1991, PCV Valve by Luber-finer®. PCV valves are designed to precisely return crankcase combustion gases to the air intake system. Overextending the part’s service promotes sludge formation, which clogs the engine's...Designed to deliver optimum performanceRight for your vehicle and lifestyle$3.65
- TruParts®PCV ValveToyota 4Runner 3.0L Gas 1991, PCV Valve 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 with rigorous...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$10.49
- Standard®Intermotor™ Exhaust Temperature SensorToyota 4Runner 1991, Intermotor™ Exhaust Temperature Sensor by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Made with precision and quality in mindDesigned to meet your specific needs$73.45
- WVE®EGR Valve Control SolenoidToyota 4Runner 3.0L Gas 1991, EGR Valve Control Solenoid 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$111.80
- WVE®EGR Valve Temperature SensorToyota 4Runner 1991, EGR Valve Temperature Sensor 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$282.46
- Stone®PCV Valve GrommetToyota 4Runner 3.0L Gas 1991, PCV Valve Grommet by Stone®. 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...Expertly crafted from the highest grade materialsCompliant with the most strict standards for quality$1.84
- Ishino®EGR Valve GasketToyota 4Runner 2.4L Gas 1991, EGR Valve Gasket by Ishino®. Position: Inlet. 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...High quality at an affordable priceExpertly made from premium materials$2.02
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1991 Toyota 4Runner Emission Control Reviews
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Great Catalytic Converter
MagnaFlow® 23884 - Standard Direct Fit Catalytic ConverterPosted by William J (Mesa, AZ) / October 15, 20131995 Toyota 4Runner
1991 Toyota 4Runner Models
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