The GM Part Number 84636168 is a rear axle vent hose designed specifically for select GM vehicles. This vent hose is an essential component of the cooling system, allowing excess air and moisture to escape from the rear differential housing.
Measuring approximately 22 inches in length, this hose is crafted from resilient and durable rubber material, ensuring it can withstand the harsh conditions of regular driving. Its design includes an integrated vent valve that automatically vents excess air pressure, maintaining the proper pressure within the differential.
The GM 84636168 rear axle vent hose features a reinforced end clamp on each end, providing a secure connection to the differential housing and the axle housing. These clamps are designed for easy installation and removal, making it a convenient choice for DIY enthusiasts or professional mechanics.
This hose is suitable for use in both gasoline and diesel-powered GM vehicles. It is recommended for use in the following applications: 2007-2010 Chevrolet Silverado 1500, 2007-2013 Chevrolet Tahoe, Suburban, Avalanche, Yukon, and Yukon XL, and 2007-2013 GMC Sierra 1500, Yukon, and Yukon XL.
When replacing your old rear axle vent hose, trust the OEM (Original Equipment Manufacturer) part from GM for a perfect fit and reliable performance. It is essential to maintain the cooling system components in good working order to ensure the longevity and optimal performance of your vehicle.
The GM 84636168 rear axle vent hose is a critical component of the rear differential cooling system in certain GM vehicles. This hose allows excess fluid to escape from the axle housing when the vehicle is driven, preventing damage from overheating. Let's examine some pros and cons of purchasing this part.
Pros:
1. Essential for proper cooling system function: The rear axle vent hose plays a crucial role in maintaining the temperature of the differential fluid, ensuring optimal performance and longevity of the differential.
2. Prevents costly repairs: Differential failures can be expensive to repair. A damaged or worn-out vent hose can cause overheating, leading to more significant issues. Replacing the vent hose proactively can save you money in the long run.
3. Availability: The GM 84636168 rear axle vent hose is a commonly used part, and it is readily available from various automotive retailers, including GM dealerships and aftermarket parts suppliers.
Cons:
1. Cost: Replacing a rear axle vent hose can be an expense. The price for this specific GM part may vary depending on the retailer and availability, but you can expect to pay anywhere from $50 to $100 or more for a new one.
2. Installation: Installing a new rear axle vent hose may require some mechanical knowledge and skills. While the process itself is not particularly complex, it may involve draining the differential fluid, which can be messy and time-consuming.
In conclusion, the GM 84636168 rear axle vent hose is an essential component of the differential cooling system in certain GM vehicles. While the cost and installation process can be inconvenient, the benefits of preventing costly repairs and maintaining the overall performance and longevity of your vehicle make it a worthwhile investment. If you suspect that your rear axle vent hose is damaged or worn-out, consider replacing it promptly.
Details:
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specifications differentialsdepo:
brand: Gm Genuine Parts
mpn: 84636168
part type: Axle Vent Hose
genuine oem: Yes
warranty: 1 Year
fitment type: Direct Replacement
seller differentialsdepo:
rating: 96.1%
city: garland, texas
# reviews: 19694
returns differentialsdepo:
time: 30 days
paid by: seller
policy: returns accepted
shipping differentialsdepo:
transit: 5-12 days
service: fedex ground / fedex home delivery
class: standard
carrier: fedex
type: fixed
general differentialsdepo:
category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional
payments differentialsdepo:
other
credit card: diners-club
wallet: apple-pay
offer differentialsdepo:
availability: in stock
in stock #: 1
started: august 14, 2025
sold #: 16
options: ship-to-home
price: $59.61
item condition: New
rating: 96.1% out of 100 based on 694 user ratings.
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