Description
GMF4x4 501-DG-BLK Rear Differential E-Locker Guard Black Powder Coat Suits Mazda BT-50 2021+, Isuzu DMAX 2021+ and Isuzu MUX 2022+
A black powder coated 2mm steel rear differential E-Locker protection guard designed for the Mazda BT-50 2021+, Isuzu DMAX 2021+, and Isuzu MUX 2022+, bolting on using factory M10 bolts in approximately five minutes for full front, side, and underneath differential coverage. Proudly made in Australia by GMF4x4.
Product Overview
The GMF4x4 501-DG-BLK is a rear differential E-Locker protection guard engineered specifically for the Mazda BT-50 2021+, Isuzu DMAX 2021+, and Isuzu MUX 2022+. Protecting the rear diff E-Locker from off-road damage can save thousands in parts and repairs, and prevent lengthy dealer wait times on non-stock parts.
The guard is designed to slip over the differential and bolt directly into place using the existing factory M10 bolts, requiring no drilling and taking approximately five minutes to install. The 2mm steel construction with welded design significantly increases rigidity, and the guard provides full coverage across the front, sides, and underneath of the differential.
The Mazda BT-50 variant also features two cage nut holes for a Stage 2 wire protection upgrade. The wire protection plate is available separately and mounts to this diff guard. See our listing for the Stage 2 wire protection plate add-on.
Also available in stainless steel finish. Proudly made in Australia by GMF4x4.
GMF4x4 have many designs, patents, and trademarks registered in Australia and internationally.
Features & Benefits
The 2mm steel welded construction provides a rigid, heavy-duty guard that fully covers the front, sides, and underside of the rear differential E-Locker, protecting it from rocks, debris, and off-road impacts that could cause costly damage requiring dealer repair and long parts wait times.
The slip-on design uses factory M10 bolts for a secure, vehicle-specific fit with no drilling into the vehicle. Installation takes approximately five minutes. The black powder coat finish delivers durable corrosion and chip resistance for long-term performance in harsh off-road and outdoor environments.
For Mazda BT-50 fitments, two cage nut holes are included for a Stage 2 wire protection upgrade. The wire protection plate is sold separately and bolts directly to this diff guard for added electrical harness protection.
Technical Specs
| Specification |
Detail |
| SKU |
501-DG-BLK |
| Brand |
GMF4x4 |
| Colour |
Black Powder Coat |
| Compatible Vehicles |
Mazda BT-50 2021+ / Isuzu DMAX 2021+ / Isuzu MUX 2022+ |
| Material |
2mm Steel |
| Construction |
Welded |
| Coverage |
Front, Side and Underneath Differential |
| Mounting Method |
Factory M10 Bolts |
| Drilling Required |
No |
| Installation Time |
Approx. 5 minutes |
| Stage 2 Upgrade |
Cage nut holes included (BT-50 variant) for wire protection plate add-on |
| Also Available |
Stainless Steel finish |
| Origin |
Made in Australia |
Compatible With
- Mazda BT-50 2021+
- Isuzu DMAX 2021+
- Isuzu MUX 2022+
Frequently Asked Questions
Does this guard require drilling into the vehicle?
No. The 501-DG-BLK slips over the differential and bolts directly into place using the existing factory M10 bolts. No drilling or modification to the vehicle is required.
What does the Stage 2 wire protection upgrade involve?
The Mazda BT-50 variant of this diff guard includes two cage nut holes that allow a wire protection plate to be bolted on as a Stage 2 upgrade for added harness protection. The wire protection plate is available separately. Note that the diff guard must be installed first as the wire protection plate mounts directly to it.
Is this guard available in a stainless steel finish?
Yes. The DG-501 is also available in a stainless steel finish. Please check our listings for the stainless steel variant.
Why is protecting the rear diff E-Locker important for off-road driving?
The rear differential E-Locker is an exposed component that is vulnerable to impact from rocks and debris during off-road driving. Damage to the E-Locker unit or its wiring can be expensive to repair and may require extended dealer wait times for parts. The 501-DG-BLK provides full front, side, and underside coverage to prevent this damage before it occurs.
Is this product made in Australia?
Yes. GMF4x4 products are proudly designed and manufactured in Australia. GMF4x4 also hold designs, patents, and trademarks registered in Australia and internationally.
Legendary Products & Support From Authorized Dealers
When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice:
▸ Expert Knowledge & Training
Only authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations.
▸ Authorized Warranty Protection
We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support.
▸ Reliable Customer Support
If you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently.
▸ Protect Your Investment
Buying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that?
Choose wisely. Buy from Frankies BrandBeast today!
