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The aFe 46-70352 cover fits the specified Dana M275 - 14 bolt differential. A356-T6 cast aluminum with reinforcing ribs, black powder-coating and machined fins.
| Years | Make | Model | Trim / required axle |
|---|---|---|---|
| 2017-2023 | Ford | F-250 | Verify axle; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-350 | Verify axle; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-250 Super Duty | King Ranch; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-250 Super Duty | Lariat; Dana M275 - 14 bolt |
| 2018-2023 | Ford | F-250 Super Duty | Limited; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-250 Super Duty | Platinum; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-250 Super Duty | XL; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-250 Super Duty | XLT; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-350 Super Duty | King Ranch; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-350 Super Duty | Lariat; Dana M275 - 14 bolt |
| 2018-2023 | Ford | F-350 Super Duty | Limited; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-350 Super Duty | Platinum; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-350 Super Duty | XL; Dana M275 - 14 bolt |
| 2017-2023 | Ford | F-350 Super Duty | XLT; Dana M275 - 14 bolt |
46-70352: The current exact manufacturer listing covers Ford 6.7L diesel trucks 2017-2023 with Dana M275 rear axles and excludes dual rear wheels. The linked manual explicitly names F-250/F-350 2017-2021 single-rear-wheel axles; exact-part named tables support the listed F-250/F-350 Super Duty trims through 2023. The manual's step 14 calls the cover front, but its axle heading, actual rear installation image and current product listing establish rear position. A copied raw-kit number in its parts table does not establish another cover's contents. Verify actual axle and boxed revision; do not substitute the M300 dually cover.
| Detail | Value |
|---|---|
| Manufacturer Part Number | 46-70352 |
| Position / axle | Rear, single rear wheel only / Dana M275 - 14 bolt |
| Construction / finish | A356-T6 cast aluminum with reinforcing ribs, black powder-coating and machined fins. |
| Fill and sight glass | M12 x 1.25 magnetic drain plug with aluminum M12 washer, 1/8-inch NPT calibration plug, 3/4-inch NPT magnetic fill plug with a 6-inch reach and 1-inch sight glass |
| Oil level | Fill until oil runs from the side 1/8-inch calibration opening. The current manufacturer listing states about 5 quarts at factory level compared with about 4 quarts stock; the manual uses the port level without a total volume. Verify actual lubricant/additive and rotated-axle level. |
| Tightening | The exact manual specifies 20-22 ft-lb for mounting screws in a cross pattern. It gives no numerical M12 drain torque or NPT turn count. Recheck connections after approximately 100-200 miles. |
Explore aFe Power drivetrain parts. Select covers by actual axle identification.
A356-T6 cast aluminum with reinforcing ribs, black powder-coating and machined fins. Required axle: Dana M275 - 14 bolt.
Which applications and axle must be checked?The current exact manufacturer listing covers Ford 6.7L diesel trucks 2017-2023 with Dana M275 rear axles and excludes dual rear wheels. The linked manual explicitly names F-250/F-350 2017-2021 single-rear-wheel axles; exact-part named tables support the listed F-250/F-350 Super Duty trims through 2023. The manual's step 14 calls the cover front, but its axle heading, actual rear installation image and current product listing establish rear position. A copied raw-kit number in its parts table does not establish another cover's contents. Verify actual axle and boxed revision; do not substitute the M300 dually cover.
Which plugs and sight glass are included?M12 x 1.25 magnetic drain plug with aluminum m12 washer, 1/8-inch npt calibration plug, 3/4-inch npt magnetic fill plug with a 6-inch reach and 1-inch sight glass. The black Pro cover includes the sight glass. The plain 1-inch side plug belongs to the raw version's installation branch; verify the boxed assembly instead of replacing the black cover's sight glass.
Which mounting hardware is supplied?One black cover 05-60744B, fourteen M10 x 1.5 x 30 socket-head screws, thirteen 3/8-inch flat washers, one special aluminum M10 washer, black RTV silicone, M12 drain plug/aluminum washer, 1/8-inch calibration plug, 3/4-inch 6-inch magnetic fill plug and sight glass. The thirteen flat washers and separate M10 washer account for the fourteen mounting positions.
Does the cover include a gasket and gear oil?Gear oil, axle additive, filters, couplers and tools are not established as included. Use the supplied RTV as a continuous bead around the clean sealing face. This exact manual does not establish a new gasket or numerical RTV cure interval.
How is the oil level set?Fill until oil runs from the side 1/8-inch calibration opening. The current manufacturer listing states about 5 quarts at factory level compared with about 4 quarts stock; the manual uses the port level without a total volume. Verify actual lubricant/additive and rotated-axle level.
Which tightening values apply?The exact manual specifies 20-22 ft-lb for mounting screws in a cross pattern. It gives no numerical M12 drain torque or NPT turn count. Recheck connections after approximately 100-200 miles.
What access and installation steps matter?Block the tires on a flat dry surface and position a drain pan. Retain upper cover hardware while draining, then remove the cover. Clean and inspect the flat sealing face without gouging or rounding it. Use the supplied RTV as a continuous bead around the clean sealing face. This exact manual does not establish a new gasket or numerical RTV cure interval. Retain the axle identification tag and original brake-line bracket bolt. Place the special aluminum M10 washer under the mounting bolt immediately to the right of the drain plug, as illustrated. Restore the axle tag at the top with the final two mounting screws and reinstall the original brake-line bracket at its housing location. Install the appropriate hardware, fill by the specified level opening and inspect clearance and leaks. Follow the exact supplied revision.
Read the current manufacturer listing for 46-70352 and full exact-family installation manual.
Block the tires on a flat dry surface and position a drain pan. Retain upper cover hardware while draining, then remove the cover. Clean and inspect the flat sealing face without gouging or rounding it. Use the supplied RTV as a continuous bead around the clean sealing face. This exact manual does not establish a new gasket or numerical RTV cure interval. Retain the axle identification tag and original brake-line bracket bolt. Place the special aluminum M10 washer under the mounting bolt immediately to the right of the drain plug, as illustrated. Restore the axle tag at the top with the final two mounting screws and reinstall the original brake-line bracket at its housing location. Install the appropriate hardware, fill by the specified level opening and inspect clearance and leaks. Follow the exact supplied revision.
The exact manual specifies 20-22 ft-lb for mounting screws in a cross pattern. It gives no numerical M12 drain torque or NPT turn count. Recheck connections after approximately 100-200 miles.
Fill until oil runs from the side 1/8-inch calibration opening. The current manufacturer listing states about 5 quarts at factory level compared with about 4 quarts stock; the manual uses the port level without a total volume. Verify actual lubricant/additive and rotated-axle level.
46-70352: The black Pro cover includes the sight glass. The plain 1-inch side plug belongs to the raw version's installation branch; verify the boxed assembly instead of replacing the black cover's sight glass.
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