Vendor: DEXTER

K21-302-00 - Aluminum Oil/Grease Cap – For 9K–10K GD Hubs | DXT

SKU: 10AL-GO-CPDXR
Regular price $42.00 USD Sale price $42.00 USD Regular price $57.00 USD
Sale 26.32% $15.00 USD (26.32%)
Shipping calculated at checkout.
In stock

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*Some exclusions may apply

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Description

This precision-machined aluminum oil/grease cap is designed for Dexter 9,000–10,000 lb General Duty (GD) axle hubs. With a 3.5" threaded diameter and 0.570" thread depth, it offers a secure fit and long-term durability in grease and oil bath applications. Built from corrosion-resistant aluminum, it's an ideal replacement for OEM Dexter and Valcrum threaded hub caps.

Detailed Information:
Thread Diameter 3.5"
Thread Depth 0.570"
Material Aluminum
Axle Rating 9,000–10,000 lbs (General Duty)
Fitting:

Engineered for use on Dexter GD axles with threaded hub assemblies. Offers direct replacement for Dexter and Valcrum models using 3.5" screw-in oil caps. Compatible with both grease and oil bath systems.

Features:
  • Premium Aluminum Body: Delivers enhanced corrosion resistance and structural reliability under heavy use.
  • Secure Fit: 3.5" thread diameter and 0.570" thread depth provide tight sealing and vibration resistance.
  • OEM-Grade Design: Matches Dexter Fortress series specs for optimal performance and durability.
  • Multipurpose Use: Supports both grease-filled and oil bath axle configurations.
Interchangeable Part Numbers:
  • K21-302-00
  • K71-704-00
  • 021-088-00
  • K21-257-00
  • ST-350-AM (Valcrum)
Product Overview:

This heavy-duty aluminum hub cap is a direct-fit upgrade for Dexter and Valcrum threaded hub systems on 9K–10K GD axles. Designed for long-lasting performance and built with precision specs, it ensures optimal sealing, protection, and ease of installation in demanding towing environments.

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