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HAULK DEPOT

21-35-KIT - Plastic Oil/Grease Cap – For 6K–8K Hubs
SKU: 8PL-GO-CP
$23.00 USD $23.00 USD $29.00 USD
Sale 20.69% $6.00 USD (20.69%)
Shipping calculated at checkout.
In stock

We want you to be completely satisfied with your purchase. That’s why we offer a hassle-free return policy within 30 days of delivery*. If your item is unused, in original packaging, and eligible for return, you can send it back for a refund or exchange.

*Some exclusions may apply

Some of our products are backed by a 1-year limited manufacturer warranty covering defects in materials and workmanship under normal use. If you experience any issues during this period, we’ll work with you to repair, replace, or resolve it according to warranty terms.*

*Proof of purchase required

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Description

This complete oil/grease cap kit is engineered for 6,000–8,000 lb Dexter-style trailer hubs with 2.875" screw-in threads. It also fits select 9,000 lb Dexter axles manufactured before October 1989. Designed for oil bath applications, the kit includes all essential components for a full replacement, ensuring reliable performance and a leak-resistant seal.

Detailed Information:
Thread Diameter 2.875" (2-7/8")
Thread Count 12 Threads
Material Plastic + Rubber Components
Axle Rating 6,000–8,000 lbs (also fits select 9K)
Fitting:

Designed for Dexter 6K and 8K threaded oil bath hubs, and compatible with 9K axles manufactured before October 1989. Direct replacement for Dexter® 021-029-00 and related caps. Ideal for maintaining proper lubrication and protecting internal hub components.

Features:
  • Complete Kit: Includes (2) thread-in oil caps, (2) rubber plugs, and (2) O-rings for a full replacement solution.
  • Reliable Performance: High-quality materials offer long service life under demanding road conditions.
  • OEM Compatibility: Matches Dexter specifications for direct replacement and proper sealing.
  • Effortless Installation: Threaded design allows for quick and secure assembly without special tools.
Interchangeable Part Numbers:
  • K71-038-00
  • 021-029-00
  • 27-373
  • 21-35 KIT
  • 21-35-KIT
Product Overview:

This plastic grease/oil cap kit is tailored for Dexter-style screw-in oil bath hubs rated for 6K–8K axles. With full component coverage and reliable sealing, it provides an effective solution for maintaining oil bath systems and preventing lubricant loss or contamination.
21-35-KIT - Plastic Oil/Grease Cap – For 6K–8K Hubs
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