LUBE LOCKER

LUBE LOCKER Dana 30 Differential Cover Gasket — Reusable, Silicone-Free Seal for Dana 30 Flanges

High-performance automotive accessories made for confident daily results

$45.42

3 shoppers currently have this item in cart.

Low stock: only 10 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium automotive accessories quality selected for Canada customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose NorthTrail Auto

The LUBE LOCKER Dana 30 Differential Cover Gasket is a reusable, silicone-free seal designed to replace the factory gasket for Dana 30 axle housings, simplifying differential cover installation and service.

Whether you're performing routine maintenance or rebuilding a Dana 30 differential, this purpose-built gasket gives a reliable seal without messy RTV silicone. It’s engineered to match the cover flange profile and compress evenly to prevent leaks while allowing fast, clean installs and future removals. Check with the seller to confirm fitment for your vehicle make and model before ordering.

How does this gasket make differential service easier?

Because the gasket is reusable and formed to fit Dana 30 cover flanges, you can swap, inspect, and reseal the cover without reapplying RTV each time. That reduces cure-time delays and simplifies multiple service steps.

  • Reusability lets you remove and reinstall the cover during iterative jobs.
  • No cure time — install immediately without waiting for sealant to dry.
  • Engineered flange conformity reduces the chance of pinched or misaligned sealant.
  • Cleaner work area: no excess silicone to scrape off the mating surfaces.

Will it fit my vehicle and the Dana 30 cover I have?

The gasket is made for Dana 30-style differential covers but compatibility can vary by cover manufacturer and vehicle year. Contact the seller with your vehicle details to confirm fit before purchase.

  • Designed for Dana 30 flange dimensions as commonly used in many makes and models.
  • Seller provides fitment assistance—have axle/case numbers ready.
  • Works with aftermarket covers that follow standard Dana 30 patterns.

What are the main benefits compared with RTV silicone or one-time gaskets?

This gasket removes the need for messy silicone beads and the wait for cure times while delivering a stable, reliable seal that can be reused during future maintenance. It minimizes prep and cleanup while offering consistent compression and alignment.

  • Eliminates RTV application and associated cleanup.
  • Consistent compression profile reduces leak risk when properly installed.
  • Reusability saves time and parts cost on repeated services.
  • Comes with the full manufacturer backing—reach out for warranty or support details.

How should I install and maintain the gasket for best results?

Install on clean, dry mating surfaces, torque bolts in a crisscross pattern to the cover manufacturer's spec, and inspect the gasket for damage between uses. Replace if visibly deformed, torn, or hardened.

  • Clean flange surfaces of old sealant, oil, and debris before seating the gasket.
  • Tighten fasteners evenly to recommended torque to avoid uneven compression.
  • Inspect the gasket after removal—reuse only if it retains shape and elasticity.
  • No silicone required; avoid additional sealants unless specified by the seller.

Who this is for: This product is aimed at DIY mechanics, professional technicians, and off-roaders who service Dana 30 differentials and want a cleaner, faster sealing option without single-use waste. If you routinely open the differential for inspections, gear changes, or upgrades, the LUBE LOCKER reusable gasket reduces downtime and simplifies repeated reseals. Confirm cover compatibility with the seller to ensure a proper fit for your vehicle.

FAQ

Q: Can I reuse this gasket on multiple differential services?

A: Yes — it’s designed to be reusable if it remains undamaged and retains shape after removal.

Q: Do I still need RTV silicone with this gasket?

A: No — this gasket is made to seal without silicone; only use additional sealant if your seller advises it.