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Top rated automotive replacement automatic transaxle side cover seals

AI-generated summary · updated July 29, 2026 · verify details before purchase.

  1. ACDelco GM Original Equipment 24207869 Automatic Transaxle Side Cover Seal
    Best overall ACDelco

    ACDelco GM Original Equipment 24207869 Automatic Transaxle Side Cover Seal

    4.5/5 $97.25 Only 3 left

    Genuine GM replacement part, ensures perfect fit and reliability for many GM vehicles. Widely trusted and highly rated for durability.

    • OE quality fit
    • Easy installation
    • Long-lasting seal
    • Only for GM vehicles
  2. Dorman 635-001 Automatic Transmission Side Cover Gasket
    Best value Wyrxalon

    Dorman 635-001 Automatic Transmission Side Cover Gasket

    4.3/5 $25.99 Only 5 left

    Affordable aftermarket option with good reviews. Covers multiple makes, including Ford and GM, and is known for preventing leaks effectively.

    • Cost-effective
    • Good compatibility
    • Prevents leaks
    • May need RTV sealant for best results
  3. Fel-Pro TOS 18689 Automatic Transmission Pan Gasket (Side Cover)
    Best for Ford vehicles Fel-Pro

    Fel-Pro TOS 18689 Automatic Transmission Pan Gasket (Side Cover)

    4.6/5 $6.79

    High-quality gasket from a leading brand, specifically designed for Ford 4R70W/E4OD transmissions. Excellent sealing performance.

    • Excellent sealing
    • Brand reputation
    • Precise fit for Ford
    • Limited to specific models
  4. ATP A-134 Automatic Transmission Oil Pan Gasket (Side Cover)
    Budget pick atp automotive

    ATP A-134 Automatic Transmission Oil Pan Gasket (Side Cover)

    4.2/5 $29.29

    Very affordable option that fits many Chrysler and GM transmissions. Works well for basic leak repair with proper installation.

    • Very low price
    • Decent quality
    • Wide fitment
    • Not as durable as OE
    • May require retorquing
  5. Mopar Automatic Transaxle Side Cover Seal 52122100AE
    Best for Chrysler/Jeep Newparts

    Mopar Automatic Transaxle Side Cover Seal 52122100AE

    4.4/5 $39.01 Only 5 left

    OEM Mopar seal ensures exact fit for Chrysler and Jeep models. Reliable and long-lasting, recommended for critical applications.

    • OEM quality
    • Perfect fit
    • Durable
    • Premium price
  6. Ultra budget

    SKP SKPS240600 Automatic Transmission Side Cover Gasket

    4.0/5 $5-$10

    Cheapest option available, suitable for temporary fixes or low-budget repairs. Basic functionality but may have inconsistent quality.

    • Extremely affordable
    • Fits many models
    • Short lifespan
    • Variable quality
  7. Transmission Parts USA 700R4 Side Cover Gasket
    Best for GM 700R4/4L60 Unknown

    Transmission Parts USA 700R4 Side Cover Gasket

    4.3/5 $10.99

    Specialized for GM 700R4 and 4L60 transmissions, using high-quality materials to prevent leaks. Good reviews from enthusiasts.

    • Specific compatibility
    • Quality material
    • Leak prevention
    • Only for GM RWD transmissions

Buying advice

When selecting a side cover seal, prioritize OEM or reputable aftermarket brands like Fel-Pro, Dorman, or ACDelco for reliable fit and longevity. Ensure the seal matches your exact transmission model (e.g., 4R70W, 700R4, etc.). For budget builds, ATP or SKP offer lower cost but may need additional sealant. Always clean the mating surface thoroughly and apply proper torque to avoid future leaks.

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