This aFe Power throttle body replaces the factory 80mm unit with an 85mm billet aluminum housing, increasing intake air flow for stronger throttle response and added horsepower. The larger, smooth machined bore cuts restriction ahead of the intake manifold, and gains grow as more induction and exhaust upgrades are added. It uses the factory mounting locations and plug and play electronics, so it is a direct bolt-on that requires no tuning.
Specifications
| Type | Bolt-on performance throttle body |
| Material | Billet aluminum |
| Size | 85 mm bore (replaces the 80 mm factory throttle body) |
| Quantity | 1 (2024-2025 Ford Mustang 5.0L requires two) |
| Part Number | 46-39108 |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018-2020 | Ford | F-150 | King Ranch |
| 2018-2020 | Ford | F-150 | Lariat |
| 2018-2020 | Ford | F-150 | Platinum |
| 2018-2020 | Ford | F-150 | SSV |
| 2018-2020 | Ford | F-150 | XL |
| 2018-2020 | Ford | F-150 | XLT |
| 2020-2022 | Ford | F-250 Super Duty | King Ranch |
| 2020-2022 | Ford | F-250 Super Duty | Lariat |
| 2020-2022 | Ford | F-250 Super Duty | Platinum |
| 2020-2022 | Ford | F-250 Super Duty | XL |
| 2020-2022 | Ford | F-250 Super Duty | XLT |
| 2020-2022 | Ford | F-350 Super Duty | King Ranch |
| 2020-2022 | Ford | F-350 Super Duty | Lariat |
| 2020-2022 | Ford | F-350 Super Duty | Platinum |
| 2020-2022 | Ford | F-350 Super Duty | XL |
| 2020-2022 | Ford | F-350 Super Duty | XLT |
| 2019-2020 | Ford | Mustang | Bullitt |
| 2024-2025 | Ford | Mustang | Dark Horse |
| 2024-2025 | Ford | Mustang | Dark Horse Premium |
| 2018-2025 | Ford | Mustang | GT |
| 2018-2025 | Ford | Mustang | GT Premium |
| 2021-2023 | Ford | Mustang | Mach 1 |
Shipping
- Orders placed before 3 PM ET typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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