Answering buyers: These grommets seal the transmission dipstick tube to prevent oil leaks and contamination. The top picks below cover universal fits and model-specific options, helping DIYers and automotive enthusiasts choose the right seal for 4L60, 4L60E, 4L80E, TH-series, and similar transmissions. The best choice depends on your vehicle’s make, model, and whether you prefer a universal or OEM-style fit. The following table lists five strong options and what they’re best for.
| Product | Best For | Key Benefit |
|---|---|---|
| Dorman 65113 Dipstick Tube Rubber Grommet | Most common dipstick setups | Tight seal, durable rubber, prevents oil leaks |
| Zermok Transmission Dipstick Tube Seals | GM automatic transmissions | OEM-style fit, reliable long-term seal |
| Suspenix 1pcs Transmission Dipstick Tube Seal | Specific GM 4L60/4L60E/4L80E builds | Direct replacement, good for common models listed |
| Indanpow 65113 Transmission Dipstick Tube Rubber Grommet | 4L60 family, 4L60 compatibility | Snug fit with guidance for lubrication |
| Suspenix 2pcs Transmission Dipstick Tube Seals | Dual-seal needs or higher-mileage builds | Two grommets, broader coverage for Chevy and GM vans/trucks |
Dorman 65113 Dipstick Tube Rubber Grommet Universal Fit
The Dorman 65113 grommet is designed to create a tight seal around the engine oil dipstick tube, reducing oil leakage and protecting engine oil from contaminants. It uses durable rubber construction to withstand common engine temperatures and vibration. Best for: standard dipstick tube installations in a wide range of GM and non-GM engines where a simple, durable seal is required.
Why selected: This grommet emphasizes a straightforward seal solution with reliable material, making it a practical first choice for many DIYers. Caution: Verify compatibility with your exact dipstick tube diameter to ensure a snug fit.
Zermok Transmission Dipstick Tube Seals
Universal compatibility targets GM automatic transmissions, including 4L60, 4L60E, 4L80E, TH350, TH400, TH700, and 700R4. The grommet aims to provide a precise OEM-style fit to stop leaks at the filler tube connection. Best for: daily drivers and rebuild projects requiring a reliable, widely compatible seal.
Why selected: The OEM-style fit helps ensure compatibility across a broad range of GM transmissions, reducing the need for multiple part numbers. Caution: If your transmission is not a GM model or uses a nonstandard dipstick tube, double-check the fit before purchasing.
Suspenix 1pcs Transmission Dipstick Tube Seal
The Suspenix 1pc seal covers 4L60, 4L60E, 4L80E, TH350, TH700, and 700R4 transmissions. It is presented as a replacement for dry rotted grommets in many Chevy, GMC, and GM vans and trucks from the late 1990s onward. Best for: owners facing a single-seal replacement due to a leaky dipstick tube in common GM applications.
Why selected: It targets a broad GM lineup with a clear replacement path. Caution: Not all models are listed; confirm the exact model year and transmission code to avoid mismatch.
Indanpow 65113 Transmission Dipstick Tube Grommet
The Indanpow 65113 grommet is designed for 4L60 transmissions, acting as a compatible option for the dipstick tube seal. It notes a snug fit and suggests using a little transmission fluid to aid lubrication during installation. Best for: a straightforward, factory-like seal when replacing a worn grommet in 4L60-series builds.
Why selected: The part number alignment (65113) directly matches common 4L60 families, providing a practical, cost-effective option. Caution: It is not intended for 6L80 or 4L80E applications; ensure your model matches the intended use.
Suspenix 2pcs Transmission Dipstick Tube Seals
Suspenix offers two grommets per package, covering 4L60, 4L60E, 4L80E, TH350, TH700, and 700R4 transmissions. The two-seal option is useful for dual-seal needs or two vehicles with similar systems. Best for: broader coverage with a value option when multiple seals are required in one purchase.
Why selected: A dual-pack can be convenient for workshops or multi-vehicle ownership. Caution: Verify each vehicle’s exact model year and transmission type to avoid over- or under-sizing the seal.
Suspenix 1pcs Automatic Transmission Dipstick Tube Seal (42RLE/45RFE)
The Suspenix 1pc seal is designed for 42RLE, 45RFE, 545RFE, 5-45RFE, 65RFE, 66RFE, 68RFE, and W5A580 automatic transmissions. It is not compatible with older or non-RLE/5xxRFE families. Best for: Jeep Wrangler, Grand Cherokee, and certain Ram configurations using the 42RLE/45RFE family.
Why selected: It targets a specific set of late-model transmissions with precise fit, making it a precise choice for those applications. Caution: It is not suitable for several older GM 4L60 families; check your transmission code before purchase.
Buying Guide: Key Purchase Considerations
- Transmission compatibility: Confirm the exact transmission model and year. Some grommets are universal; others are model-specific.
- Seal material and durability: Rubber grommets offer good resilience, but long-term exposure to heat and oil can affect longevity. Look for high-quality rubber or silicone blends.
- Installation approach: Some grommets require lubrication during installation; others should be pressed in dry. Note any notes about snug fits or the need for gradual insertion.
- Leak risk assessment: If your vehicle previously leaked at the dipstick tube, a gasket-style or OEM-style seal may provide a more reliable fix than a generic grommet.
- Quantity per pack: Single replacements are common, but dual-packs can be cost-effective for workshops or multiple vehicles.
- Vehicle type considerations: For heavy-duty or older builds, universal-fit grommets can simplify sourcing; for classic or high-mileage vehicles, OEM-style seals can offer a better seal.
Frequently Asked Questions
- What is a transmission dipstick tube grommet?
– It is a seal that fits around the dipstick tube where it enters the transmission, preventing oil leaks and keeping contaminants out. - Which grommet is best for a GM 4L60 transmission?
– Grommets marketed for 4L60/4L60E family (like Suspenix or Indanpow 65113) are commonly suitable, but verify exact model years and fit notes. - Can I install a grommet without professional help?
– For many DIYers, yes, with proper tools and lubrication. Follow manufacturer guidelines and ensure the engine is cool before starting. - What problems occur if the grommet is incorrect?
– An ill-fitting grommet can cause oil leaks, contamination, or improper seal, potentially leading to transmission issues. - Should I replace both seals if I replace one?
– If both seals are accessible and show signs of wear, replacing both can reduce future leaks and ensure uniform sealing.