2001 Toyota 4Runner Emission Control Parts
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TRQ®Upstream O2 Oxygen SensorToyota 4Runner 2001, Upstream O2 Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$64.94 - $71.73$66.95 - $73.95Save 3% - Dorman®OE Solutions™ Vapor CanisterToyota 4Runner 3.4L 2001, OE Solutions™ Vapor Canister by Dorman®. This vapor canister has been made to match the original equipment evap canister on certain vehicle years, makes and models, properly restoring emissions controls....Direct replacement - this evaporative emissions charcoal canister matches the function and performance of the original canister on specified vehiclesRestores performance - properly repairs issues with emissions controls to clear check engine light and pass inspection$263.76
- Beck Arnley®PCV ValveToyota 4Runner 3.4L 2001, PCV Valve by Beck Arnley®. Make sure your vehicle’s emission control system performs at its optimum level with top-of-the-line Beck Arnley replacement emission control parts. Designed to match OE (original...Designed to ensure reliable operation of your emission control systemDirect OE (original equipment) replacement$4.74
- TRQ®Oxygen SensorToyota 4Runner 3.4L 2001, Oxygen Sensor by TRQ®. Position: Downstream. If your oxygen sensor fails, replace it with this top-grade part developed to easily fix the problem. Built to fit and function exactly as the part it is replacing,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$36.81 - $61.33$37.95 - $61.95Save up to 4%
- Denso®Oxygen SensorToyota 4Runner 3.4L 2001, Oxygen Sensor by Denso®. Position: Downstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$53.27
- Bosch®Premium Narrow-band Oxygen SensorToyota 4Runner 3.4L 2001, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an...OE Identical ConnectorCompact Design$61.01
- Walker Products®Oxygen SensorToyota 4Runner 3.4L 2001, Oxygen Sensor by Walker Products®. 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...High quality at an affordable priceExpertly made from premium materials$43.86 - $184.39
- Spectra Premium®Oxygen SensorToyota 4Runner 3.4L 2001, Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$51.35 - $117.19
- Bosch®Narrow-band Oxygen SensorToyota 4Runner 3.4L 2001, Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to...OE-EquivalentOE Style connectors and wire lengths$50.66
- Standard®Intermotor™ PCV ValveToyota 4Runner 3.4L 2001, Intermotor™ PCV 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$7.96
- Walker Products®Premium Oxygen SensorToyota 4Runner 3.4L 2001, Premium Oxygen Sensor by Walker Products®. Position: Downstream. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and...Improved Engine Response & PerformanceLower Emissions$50.04
- NTK®Oxygen SensorToyota 4Runner 3.4L 2001, Oxygen Sensor by NTK®. Position: Downstream. Location: B1S2. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$62.83
- Genuine®Crankcase Vent ValveToyota 4Runner Limited / SR5 Manufactured After July 2001, Crankcase Vent Valve by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and...Made with precision and quality in mindDesigned to meet your specific needs$141.03
- Bosch®Premium Wideband Oxygen SensorToyota 4Runner 3.4L 2001, Premium Wideband Oxygen Sensor by Bosch®. Position: Upstream. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. Wideband sensors...Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor$248.48
- Denso®Universal Fit Oxygen SensorToyota 4Runner 3.4L 2001, Universal Fit Oxygen Sensor by Denso®. Position: Downstream. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$47.08
- Standard®Intermotor™ Vapor CanisterToyota 4Runner 2001, Intermotor™ Vapor Canister 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$481.72
- DIY Solutions®PCV ValveToyota 4Runner 3.4L 2001, PCV Valve by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for. When it comes to...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$31.57
- Delphi®Oxygen SensorToyota 4Runner 2001, Oxygen Sensor by Delphi®. 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 together to develop the most...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$104.83 - $196.84
- Original (OEM)Emission Control PartsAlong with power, your engine produces carbon monoxide, oxide of nitrogen, hydrocarbons, and other hazardous gases that cause harm to the environment. To minimize air pollution, all vehicles are equipped with an emission control system...
- Toyota OEEmission System - Emission Components (3.4L)Toyota 4Runner 3.4L 2001, Emission System - Emission Components by Toyota OE. There's no better way to make your Toyota look and perform the way it should than relying on genuine Toyota OE parts. Unlike many aftermarket parts, these are...Genuine Toyota OEM parts designed to fit perfectlyCrafted from high-grade materials to ensure superior quality$7.98 - $403.85
- Genuine®Vapor Canister Shut-Off ValveToyota 4Runner Limited / SR5 2001, Vapor Canister Shut-Off Valve by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from...Made with precision and quality in mindDesigned to meet your specific needs$123.45
- Dorman®OE Solutions™ Vapor Canister Purge ValveToyota 4Runner 3.4L 2001, OE Solutions™ Vapor Canister Purge Valve by Dorman®. Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original equipment purge...Direct replacement - this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle's evaporative emissions systemQuality construction - manufactured from premium materials for a long service life$60.31 - $78.27
- Denso®Air Fuel Ratio SensorToyota 4Runner 3.4L 2001, Air Fuel Ratio Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$180.92
- Standard®Intermotor™ Vapor Canister Purge SolenoidToyota 4Runner 2001, Intermotor™ Vapor Canister Purge Solenoid by Standard®. Location: In Engine Compartment. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...Made with precision and quality in mindDesigned to meet your specific needs$63.47
- NTK®Air Fuel Ratio SensorToyota 4Runner 3.4L 2001, Air Fuel Ratio Sensor by NTK®. Position: Upstream. Location: B1S1. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$271.23
- Dorman®OE Solutions™ Vapor Canister Vent ValveToyota 4Runner 3.4L 2001, OE Solutions™ Vapor Canister Vent Valve by Dorman®. Location: At Charcoal Canister. A malfunctioning vapor canister vent can cause the engine light to come on. This replacement valve is engineered of quality...Direct replacement - this vapor canister vent valve fits and functions like the original partQuality construction - manufactured from premium materials for a long service life$53.68
- WVE®Vapor Canister Purge SolenoidToyota 4Runner 2001, Vapor Canister Purge 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 minimize...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$76.23
- Walker Products®Premium Air Fuel Ratio SensorToyota 4Runner 3.4L 2001, Premium Air Fuel Ratio Sensor by Walker Products®. Position: Upstream. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment...Designed to meet or exceed OE specifications in form, fit and functionGlobal coverage for import and/or domestic applications$184.39
- Genuine®Crankcase Breather HoseToyota 4Runner 2001, Crankcase Breather Hose by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials...Made with precision and quality in mindDesigned to meet your specific needs$62.44
- Genuine®PCV HoseToyota 4Runner 2001, PCV Hose by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...Made with precision and quality in mindDesigned to meet your specific needs$29.42
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2001 Toyota 4Runner Emission Control Reviews
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So Glad I Spent The Very Few Extra Bucks!
MagnaFlow® 447225 - OBDII Direct Fit Catalytic ConverterPosted by Daniel (Laguna Niguel, CA) / July 22, 20161999 Toyota 4Runner
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