Description
Product Overview
The Blackmer composite flange gasket is engineered from high‑quality fiberglass, delivering exceptional resistance to heat, chemicals, and wear. Its square configuration matches the original equipment specifications for a seamless fit on axle flange assemblies. With a unit count of one, this genuine Blackmer part (model 381816) provides the exact dimensions and compression characteristics required for reliable sealing in unisex‑adult automotive applications.
Usage
Designed for use on a variety of axle flange models—including GX3E, X3E, XH3E, NP3F, NPH3F, SK‑TXLW3, TXD3E, TX3E, TXH3C, TXH35A, TX1230A, TXV3B, TXV3A, TX206A, and 201‑B00 strainers—this gasket is ideal for both professional mechanics and DIY enthusiasts. It performs best in environments where a durable, heat‑resistant seal is essential, such as heavy‑duty trucks, off‑road vehicles, and performance cars.

Why Choose Us
Blackmer is a trusted name in automotive sealing solutions, and this gasket reflects the brand’s commitment to precision engineering and material excellence. Each gasket undergoes rigorous quality testing to meet OEM standards, ensuring consistent performance and longevity. Choosing this genuine part guarantees compatibility, reduces the risk of leaks, and supports the vehicle’s overall safety and efficiency.
Key Features
- Durable fiberglass construction for high temperature and chemical resistance
- Exact square shape for a perfect fit on specified axle flange models
- OEM‑approved dimensions and compression characteristics
- Easy installation with no special tools required
- Genuine Blackmer part ensures reliability and long‑term performance
FAQ
What vehicles are compatible with this gasket?
The gasket fits a wide range of models such as GX3E, X3E, TX series, and many others listed in the product details. Refer to the compatibility list for exact matches.
Is this gasket a direct replacement for the original part?
Yes, it is a genuine Blackmer replacement that meets the original equipment specifications for size, material, and performance.
How do I install the gasket?
Clean the flange surfaces, align the square gasket precisely, and press it into place. No additional adhesives are required for a secure seal.
Can this gasket be used in high‑heat applications?
Absolutely. The fiberglass material is designed to withstand elevated temperatures commonly encountered in automotive brake and axle systems.
What is the warranty on this product?
Blackmer offers a standard limited warranty covering manufacturing defects for a period of one year from the date of purchase.





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