The GM Genuine Parts TF950 is presented as a heavy-duty spin-on transmission filter for GM trucks and select Hummers, measuring 4.2 x 4.2 x 4.1 inches and weighing 12.6 ounces. It uses felt media impregnated with phenolic resin, promises OEM fit and durability, and rates 4.6/5 from 324 reviews. What are the real-world filtration performance, service life, and cost-per-mile implications; the next section compares specs, build, compatibility, and value.
Key Takeaways
- Direct-fit spin-on transmission filter for GM heavy-duty trucks (Silverado/Sierra 2500/3500) and 2006 H1, OEM TF950 (29539579).
- Compact resin housing with phenolic-infused felt media provides durable, heat-resistant particle filtration.
- Air-tight seal and reinforced construction reduce line-pressure loss and improve long-term transmission protection.
- Positive user feedback: 4.6/5 average from 324 reviews, indicating strong reliability and fitment.
- Affordable OEM option with 30-day return guarantee; verify transmission model and OEM number before purchase.
Product Overview and Key Specifications
The GM Genuine Parts TF950 (29539579) spin-on automatic transmission fluid filter is a compact, resin-bodied component designed for heavy-duty GM trucks and select Hummer models.
The GM Genuine Parts TF950 (29539579) spin-on ATF filter is a compact, resin-bodied unit for heavy-duty GM trucks and select Hummer models
It measures 4.2 x 4.2 x 4.1 inches, weighs 12.6 ounces, and fits Sierra and Silverado 2500/3500 HD ranges and 2006 H1.
What are key specs?
Filtration: felt media; seal: air-tight; durability: phenolic-infused fibers.
Practical considerations: verify OEM number, check clearance, and note performance-grade rating.
Installation tips: hand-tighten per torque spec, replace pan gasket.
Maintenance suggestions: change with fluid, inspect seals regularly.
Build Quality and Materials
Solid construction defines the TF950’s build quality: a 4.2 x 4.2 x 4.1-inch resin housing that weighs 12.6 ounces, felt filter media impregnated with phenolic resin, and an air-tight seal designed to prevent line pressure loss.
The reviewer notes design considerations: compact footprint, reinforced housing, and thermal resilience.
What materials matter? Resin body for weight savings, phenolic-impregnated fibers for strength, felt for high-filtration efficiency and flow.
How efficient is it? Material efficiency balances durability and cost.
Practical considerations: 4.2 in dimension fit, 12.6 oz handling, temperature tolerance, and seal integrity during installation.
Compatibility and Vehicle Fitment
Although compatibility often comes down to a few specific numbers and clear fitment checks, the TF950 (29539579) is presented as a direct-fit automatic transmission filter for a range of GM heavy-duty trucks and one Hummer model.
The reviewer notes vehicle compatibility: Silverado and Sierra 2500/3500 series (2001–2019), plus 2006 H1.
Reviewer cites compatibility with Silverado and Sierra 2500/3500 (2001–2019) and the 2006 H1.
Practical considerations: 4.2 x 4.2 x 4.1 inches, 12.6 oz weight, resin construction.
Installation tips: check threads, torque, and seal surface; use clean fluid, replace pan gasket as needed.
Q: Will it fit non-listed models? A: Verify OEM number, measurements, and transmission type before purchase.
Filtration Performance and Durability
Because filtration media and construction determine service life and transmission health, the GM Genuine Parts TF950 (29539579) filter warrants close examination for both particle capture and durability.
The reviewer asks: how well does it clean? It uses felt media offering high filtration efficiency, balancing micron capture and flow.
Measurements: 4.2 x 4.2 x 4.1 inches, 12.6 ounces, resin body, phenolic-infused fibers resist heat to ~200°C under brief spikes.
Practical considerations: seal integrity prevents pressure loss, service intervals, and installation torque.
Conclusion: solid particle control, long lasting durability for demanding duty cycles, recommended for owners seeking reliable liberation.
Pricing, Ratings, and Warranty
Several metrics help a buyer evaluate the GM Genuine Parts TF950 (29539579) on price, ratings, and warranty before purchase. The piece considers pricing trends, customer feedback, and warranty clarity, offering liberation through informed choice. Practical details: 4.2 x 4.2 x 4.1 inches, 12.6 ounces, 4.6/5 from 324 ratings.
| Metric | Value |
|---|---|
| Price range | Varies by seller, watch seasonal drops |
| Rating | 4.6/5 (324 reviews) |
| Warranty | Manufacturer info on request |
| Return | 30-day Amazon guarantee |
Q: Is it worth it? A: Yes, for OEM fit, durability, and clear return policy.
