1. Axle Parts Transmission Drivetrain For Sale
  2. sku: 23163981376991711
  3. GM 03820840

GM GENUINE PARTS 03820840 Automatic Transmission Vent

03820840 Gm Genuine Parts Automatic Transmission Case Vent

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 03820840 ), ( Part Type: Transmission Vent Case ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement )

Review GM GENUINE PARTS Automatic Transmission Case Vent

The GM 03820840 Automatic Transmission Vent is an essential component designed to maintain the cooling system and improve the overall performance of your automatic transmission. This vent is engineered specifically for select GM vehicles, ensuring a perfect fit for your specific make and model.

The vent measures approximately 3 inches in diameter and 1.5 inches in height, making it a compact yet effective solution for regulating transmission temperature. It is manufactured using high-quality materials, including a durable, corrosion-resistant aluminum housing and a rubber gasket to ensure a tight seal.

This automatic transmission vent features a one-way design, allowing air to flow only in the direction that promotes cooling. By allowing excess heat to escape from the transmission, it helps prevent overheating and potential damage to the transmission components. Additionally, the vent's design enables it to filter out contaminants, ensuring clean air enters the transmission, which contributes to its longevity and overall efficiency.

The installation process for the GM 03820840 Automatic Transmission Vent is straightforward. It can be easily installed using common hand tools, and no major modifications to the vehicle are required. The vent comes complete with all necessary hardware for installation, including mounting brackets and screws.

By investing in this automatic transmission vent, you're taking a proactive approach to maintaining the health of your transmission system. Regular maintenance not only ensures optimal performance but can also extend the life of your transmission and save you from costly repairs down the line.

In summary, the GM 03820840 Automatic Transmission Vent is a must-have component for drivers seeking to keep their transmission cool and operating at peak performance. Its compact design, ease of installation, and durable construction make it an excellent addition to any vehicle maintenance routine.

Buying a GM 03820840 automatic transmission vent can offer several benefits for your vehicle's transmission system. This part is designed to help equalize the pressure inside the transmission cooler and the atmosphere, which can enhance cooling efficiency and extend the transmission's life.

Pros of buying a GM 03820840 automatic transmission vent:

1. Improved cooling efficiency: By equalizing the pressure between the transmission cooler and the atmosphere, the transmission vent allows for more effective cooling of the transmission fluid.

2. Prolonged transmission lifespan: By maintaining an optimal temperature and reducing the buildup of harmful acids and contaminants in the transmission fluid, the transmission vent can help prolong the life of the transmission.

3. Reduced risk of transmission damage: A faulty transmission vent can lead to increased transmission pressure, which can cause damage to various transmission components. Replacing a worn-out vent can help prevent such damage.

However, it is essential to consider the potential cons of purchasing and installing a GM 03820840 automatic transmission vent:

1. Cost: The cost of purchasing and installing the transmission vent may be a consideration for some vehicle owners, especially those with limited budgets.

2. Installation complexity: Depending on the vehicle model and the skill level of the installer, the transmission vent installation process may be complex and time-consuming.

In conclusion, the decision to buy and install a GM 03820840 automatic transmission vent depends on the individual vehicle owner's priorities and circumstances. If the vehicle's transmission system is essential for daily use or high mileage, the benefits of improved cooling efficiency and extended transmission lifespan may outweigh the costs and installation complexity.

Based on the information provided, it is recommended that vehicle owners with concerns about their transmission's cooling efficiency or longevity consider purchasing and installing a GM 03820840 automatic transmission vent. However, it is essential to consult with a qualified mechanic or transmission specialist to ensure a proper diagnosis and installation process.

Details:

5.Once confirmed you can now enter in the part number Search for parts that fit box and ensure fitment is accurate to your vehicle. If you would like to return your new, unopened, and uninstalled part. HOW TO CHECK FITMENT To Ensure Fitment Is Correct.

Electrical parts are not returnable. 1.Parts must be resalable and in the original packaging.

part #: 03820840 prices

  • $6.67-$22.37

specifications axlpar:

  • brand: Gm Genuine Parts
  • mpn: 03820840
  • part type: Transmission Vent Case
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement

returns axlpar:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

shipping axlpar:

  • service: UPS Ground
  • transit: 4-9 Days
  • class: Standard
  • type: Fixed
  • cost: $0.00
  • carrier: UPS

payments axlpar:

  • other
  • wallet: Paypal
  • credit card: Mastercard

general axlpar:

  • Car Truck Parts Accessories > Transmission Drivetrain > Axle Housings Parts
  • condition: New

offer axlpar:

  • availability: In Stock
  • quantity: 4
  • options: Ship-to-home
  • sold: 0
  • started: May 17, 2026

seller axlpar:

  • # reviews: 5018
  • rating: 99.7%
  • city: Pompano Beach, Florida
part type: transmission vent case, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement,
category: auto parts > car truck parts accessories > transmission drivetrain > axle housings parts, sku: 23163981376991711,
Gm Genuine Parts 03820840 Is Similar To:
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5 offers $6.67–$22.37 USD
  • New. Offer #1 priced at $6.67 + $9.00 shipping estimate = $15.67* total. +$9.00 shipping
  • New. Offer #2 priced at $22.37 + $6.95 shipping estimate = $29.32* total. from 1966 to 2007. Fits TH350, Powerglide, 350C, TH250, TH250C Automatics.+$6.95 shipping
  • New. Offer #3 priced at $8.09 + $6.72 shipping estimate = $14.81* total. Made with top-notch materials and precise engineering, this vent is designed to keep your transmission functioning smoothly and efficiently The Genuine GM 3820840 Automatic Transmission Case Vent is a high-quality, direct replacement part manufactured by GM Genuine Parts.+$6.72 shipping
  • New. Offer #4 priced at $7.54 + $11.99 shipping estimate = $19.53* total. +$11.99 shipping
  • New. Offer #5 priced at $22.03 + $0.00 shipping estimate = $22.03* total. FREE SHIPPING

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