BEVINSEE Differential Breather Kit For Toyota 4Runner
9122015601
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The factory differential vent hole is positioned low and has a simple structure.
During aggressive driving, frequent water crossings, or car washes, this can easily allow water and debris to enter the differential housing, contaminating the gear oil and causing corrosion and abnormal wear of the gears and bearings, ultimately leading to costly damage to the entire differential assembly.
BEVINSEE's upgraded kit addresses this issue by elevating the breather position and providing superior sealing protection, allowing drivers to confidently engage in off-road driving, water crossings, and other aggressive driving activities without concern.
Features:
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【Lightweight and Durable】Aluminum alloy body, lightweight design, anti-corrosion and anti-rust, durable.
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【CNC Machined】Ensure high precision, achieve perfect fit, and prevent oil leakage.
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【Surface Anodized】Smooth, strong and more weather resistant.
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【Stainless Steel Plug】Pressure-bearing up to 1.6Mpa. Built-in Viton sealing ring, high temperature resistance, strong sealing, prevent oil leakage, stronger weather resistance. Anti-corrosion and anti-rust, smooth and strong.
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【Stainless Steel Waterproof Ventilation Valve】Wide range of working temperature (-40℃~125℃), IP68 level protection, ventilation volume up to 2000ml/min/cm² (7kpa), effectively balancing the pressure inside and outside the equipment. Allows air to pass freely to balance pressure, preventing oil leaks caused by pressure imbalances that could rupture or collapse oil seals. Even when the vehicle is completely submerged in water, it protects the interior of the differential from contamination.
- 【6M Polyurethane Hose】High pressure resistance (1Mpa), weather resistance, adaptable to -40℃~80℃ environment.
Item Specifics:
- Brand: bevinsee
- Condition: Brand New
- Type: Differential Breather Kit
- Material: Billet Aluminium, Polyurethane, Stainless Steel
- Surface Finished: Anodized
- Processing technology: CNC
- Mounting position: Inside the engine compartment
- Fitment: Universal
Packaging includes:
1 set of Differential Breather Kit
Disclaimer:
Bevinsee parts are not sponsored or endorsed by, or affiliated with the brands its parts fit, including Porsche, Subaru, Jaguar, BMW, Isuzu, Chrysler, Dodge, Jeep, Buick, Cadillac, Chevrolet, GMC, Volvo, Land Rover, Oldsmobile, Pontiac, Ford, Lincoln, Mercury, Acura, KIA, Nissan, Infiniti, International Harvester, Mitsubishi, Audi, Lexus, Toyota, Mazda, Volkswagen, Suzuki, Saab, Honda, Alfa Romeo, Saleen, Mercedes-Benz, Nash, Hummer, Freightliner, Datsun, Saturn, Turner, Geo, Lada, Fiat, Daihatsu, Opel, Vauxhall, Sabra, Tesla, Ram, Rover, Skoda, Healey, Mini, Smart, Scion, Renault, Seat, Peugeot, Merkur, Astra, Tucker, VW, Routan, Tiguan, Touareg, Jetta, Gti, Passat, Golf, Bosch, Denso, Holden, Chery, Mercedes Benz, Holden Special Vehicles, Hyundai, Trabant, Citroën, Freightline, etc.









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I mounted the breather in the engine bay and routed hoses to the rear differential and rear locker breathers on my 2023 Toyota 4Runner ORP. Installation was straightforward; my advice is to take your time and carefully plan the hose routing to avoid any contact with exhaust components.
After taking our 2021 4Runner on several off-road runs, we realized a diff breather upgrade was essential to prevent water intrusion into the rear differential. This kit performed great!
Exceptionally well-built and durable unit, gives me confidence that water won��t enter the transaxle or transmission during deep river crossings.
Buena calidad, su instalaci��n fue sencilla
Worked perfectly on my 2019 Toyota 4Runner. Installation was quick and straightforward, and the threaded fitting matched perfectly with the rear differential port.
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