Differential Cover 10.25'/10.5' 12 Bolts for Ford 1986-2024 Ford F250 F350
Differential Cover 10.25'/10.5' 12 Bolts for Ford 1986-2024 Ford F250 F350
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Differential Cover Ford 10.25″/10.5″ 12 Bolts Rear Axle
Function:
Protects the differential, seals the differential, stores differential fluid.

Fitment:
1985-2014 Ford E-Series Van
2000-2005 Ford Excursion
2000-2010 Ford F-150
1985-2024 Ford F-250 Super Duty
1985-2024 Ford F-350 Super Duty
Note: The year and model may not guarantee compatibility. Please confirm whether the axle is Ford 10.25″/10.5″ 12 Bolts.

Innovative points:
1. The external heat sink design increases the contact area between the differential cover and the surrounding air, enhancing heat dissipation performance.
2. The internal diversion groove design aligns with the direction of liquid flow in the differential gear's rotation, ensuring maximum flow rate for better lubrication.
3. The use of aluminum alloy material significantly improves cooling performance compared to the commonly used iron material. When comparing billet to cast products, billet items are often considered more durable and built for long-lasting performance.
4. An external observation mirror with a floating ball is used to monitor the oil level. Traditional observation mirrors in the market may darken over time, reducing visibility. Therefore, the floating ball allows us to monitor the oil level even if the mirror darkens.
5. The outside with black wrinkle paint providing rust resistance.
FAQs
Q1: What vehicles is the differential cover compatible with?
A1: The differential cover is compatible with 1986-present SuperDuty Trucks 2x4 & 4x4, including Ford F250, F350, E250, E350 with Single Rear Wheel (10.25"/10.5" 12-Bolts).
Q2: What materials is the differential cover made of?
A2: The differential cover is made from A380 aluminum, offering superior strength and cooling performance.
Q3: How does the differential cover improve cooling?
A3: The cover features external cooling fins (534 sq. inches) and internal heat fins (120 sq. inches), ensuring optimal heat dissipation and enhanced cooling.
Q4: Does the differential cover come with installation hardware?
A4: Yes, the differential cover comes with 304 stainless steel hex flange mounting bolts for durable and easy installation.
Q5: How does the sight glass on the differential cover work?
A5: The sight glass, sealed with a Viton O-ring, allows for easy monitoring of the oil level without removing the cover.
Q6: Is the differential cover resistant to rust and corrosion?
A6: Yes, the cover has an anti-rust coating with a wrinkle paint finish that protects against corrosion.
Q7: Can I change the differential fluid without removing the cover?
A7: Yes, the differential cover is designed to allow easy fluid replacement without the need to remove the cover.
Q8: What benefits does the directional fluid guide provide?
A8: The directional fluid guide ensures comprehensive lubrication of the differential, reducing wear and extending its lifespan.
Q9: Is there a temperature monitoring option available with the differential cover?
A9: Yes, the differential cover includes a 1/8 inch NPT sensor port to facilitate temperature monitoring.
Q10: How does the magnetic drain plug help?
A10: The magnetic drain plug simplifies the oil change process by attracting metal particles, ensuring a cleaner differential.
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- One-Year Warranty
- 14-Day Return
- 4-12 Days To Arrive

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Frequently Asked Questions
What is a delete tuner?
A delete tuner is a device that reprograms yourtruck's ECM (computer) to turn off emissionssystems like the DPF, EGR, and DEF, allowing yourtruck to run without those components
Can l use a delete tuner withoutphysically removing TheDPF/DEF/EGR parts?
You MUST remove your DPF(Diesel ParticulateFilter), as the filter will clog and stop all exhaust flowwhen shut off. You will no longer need DEF(DieselExhaust Fluid), and you may remove your DEF tankif you wish, or it can sit empty. The EGR may remainas is, but we recommend removing the physicalparts as well.
Is a Delete Tune bad for mytruck's engine?
Quite the opposite. In fact, many customers reportimproved engine life, smoother shifting, and betterfuel economy (typically 3-5 MPG gains) when usinga quality delete tuner.
What's the difference between adelete tuner and a delete tune?
The tuner is the hardware device. The tune is thesoftware file that gets uploaded to your truck's ECM.Your delete tuner includes a delete tune when youpurchase from us.
Do delete tuners void my warranty?
Yes. Any emissions-related modification, includingtuning, can void the manufacturer's warranty. Manycustomers wait until after their warranty expiresbefore deleting.
Do l need a mechanic to install thetuner? How long does installationtake?
Not necessarily. Many of our customers install their delete tuner themselves in under 30 minutes. We include easy-to-follow instructions, and our support team is available if you need help.
Will my truck pass inspection oremissions testing with a deletetuner?
No. Delete tuners disable emissions systems, so your truck will not pass emissions tests in areas where they're required. Some states have exemptions (e.g. heavy-duty or rural-use trucks).
Can l go back to stock afterinstalling a delete tuner?
Yes. However, in most cases you will have to have the ECM flashed at the dealership. If this is a concern, contact our team and we can explain further.
Is the delete tune VlN-locked?
Yes. All delete tunes are VIN specific and will only work on one truck. The tuner (hardware device), may be used on multiple vehicles for diagnostic or monitoring purposes where applicable.
What support do l get with my tuner?
We offer lifetime customer support, step-by-step install guides, and remote help from our tuning team. You're never left hanging, even after the sale.