At JC Whitney, we offer the best selection of Toyota 4Runner Exhaust & Emissions parts and accessories. We offer an industry leading ONE YEAR GUARANTEE so that you can shop with confidence! Narrow your selection below by providing the year of your vehicle for a custom list of Toyota 4Runner Exhaust & Emissions products.

Guaranteed to Fit
MAGNAFLOW DIRECT-FIT CATALYTIC CONVERTERS FOR 49 STATES
Fits Toyota 4Runner
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REPLACEMENT OE STYLE EXHAUST MANIFOLD
Fits Toyota 4RunnerPrevent further damage to other exhaust components of the exhaust system. More
MAGNAFLOW DIRECT-FIT CATALYTIC CONVERTERS FOR 49 STATES
Fits Toyota 4Runner
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MAGNAFLOWî DIRECT-FIT CATALYTIC CONVERTER FOR 49 STATES Magnaflowî's ultra high flow Catalytic Converter reduces restriction-helps... More
MAGNAFLOW UNIVERSAL CATALYTIC CONVERTERS FOR 49 STATES
Fits Toyota 4RunnerMAGNAFLOWî UNIVERSAL CATALYTIC CONVERTER FOR 49 States Ultra high flow Universal Catalytic Converter delivers the performance of the... More
EASTERN 49-STATE LEGAL (NO CA) CATALYTIC CONVERTER
Fits Toyota 4RunnerOur catalytic converters offer value that's second to none. We have the widest coverage for domestic and import cars, SUVs, vans, and trucks... More
BOSAL EXHAUST GASKET
Fits Toyota 4RunnerBOSAL EXHAUST GASKETThese groups are direct replacement for your OE exhaust system. More
DORMAN EXHAUST MANIFOLD
Fits Toyota 4RunnerDORMAN EXHAUST MANIFOLDIncludes two studs, two nuts, one manifold gasket, one flange gasket, and heat shield. Engineered to perform better... More
BECK ARNLEY PCV VALVE
Fits Toyota 4RunnerBECK ARNLEY REPLACEMENT PARTS Replace your worn out or broken part with these replacement parts. Designed and built to OEM specifications... More
ANSA OE REPLACEMENT EXHAUST PARTS
Fits Toyota 4RunnerOE REPLACEMENT EXHAUST PARTSThese are direct replacements for OE exhaust. These are designed to replace worn or broken OE parts perfectly... More
REPLACEMENT 4-WIRE OE REPLACEMENT OXYGEN SENSOR
Fits Toyota 4RunnerSolve your problem with defective oxygen sensors by switching to Replacement 4-Wire Oxygen Sensors! These oxygen sensors feature OE comparable... More
BOSCH OXYGEN SENSOR
Fits Toyota 4RunnerBOSCH OXYGEN SENSORBosch is the inventor of the automotive oxygen sensor and the number one choice of car makers around the world. From... More
DENSO REPLACEMENT OXYGEN SENSOR
Fits Toyota 4RunnerDENSO can guarantee the quality of the product they produce because every component that leaves their factories has been designed with... More
DORMAN EXHAUST MANIFOLD KITS
Fits Toyota 4RunnerDORMAN® EXHAUST MANIFOLD KITS Matches OE in fit and function but at a fraction of the price. More
PUROLATOR PCV VALVES
Fits Toyota 4RunnerPUROLATOR PCV VALVES Replacing the PCV should a normal maintenance item to keep. A clogged or defective PCV prevents proper evacuation... More
WALKER OE REPLACEMENT CATALYTIC CONVERTER 49-STATE LEGAL - NO (CA)
Fits Toyota 4RunnerWalker Catalytic Converter Exudes maximum protection with the help of its high grade construction Provide only the best part for your vehicle... More
WALKER PRODUCTS OXYGEN SENSOR
Fits Toyota 4RunnerWalker Products manufactures and distributes a wide variety of O2 Sensors for passenger cars, trucks and SUV's. More
ANSA PERFORMANCE EXHAUST
Fits Toyota 4RunnerPerformance Exhaust System ⢠Italian designed and manufactured ⢠Originally designed for Ferrari race cars ⢠Throaty but subtle... More
BOSAL PERFORMANCE MUFFLER
Fits Toyota 4RunnerBosal Performance Mufflers are available in universal designs for that custom application as well as direct-fit replacements manufactured... More
WALKER OE REPLACEMENT TAIL PIPE
Fits Toyota 4RunnerWalker Tail Pipe Made out of high grade materials which ensures total protection and durability Provide only the best part for your vehicle... More
