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aFe 54-41262 Magnum FORCE Stage-2 intake combines one Pro 5R oiled filter, powder-coated heat shield and two tube sections for qualified 2008-2010 Ford Super Duty F-250, F-350, F-450 and F-550 6.4L turbo-diesel applications. The original flow sensor and filter minder transfer, while crankcase-breather fitting use depends on production configuration.
Exact manufacturer manual explicitly covers Super Duty F-250, F-350, F-450 and F-550 2008-2010 with the 6.4L turbo-diesel. Four missing model-level Super Duty application rows are restored; both original broad F-250/F-350 rows and their bounds remain. Selected-part retailer tables show named trims, but complete trim/year aggregation remains a separate evidence follow-up; no fabricated engine or drivetrain trim is added. No gasoline, 6.0L, 6.7L or later-year application is inferred.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2008-2010 | Ford | F-250 | |
| 2008-2010 | Ford | F-350 | |
| 2008-2010 | Ford | F-250 Super Duty | |
| 2008-2010 | Ford | F-350 Super Duty | |
| 2008-2010 | Ford | F-450 Super Duty | |
| 2008-2010 | Ford | F-550 Super Duty |
Verify 54-41262 against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 54-41262 |
| Product line | Magnum FORCE Stage-2 |
| Selected filter | One 24-91050 Pro 5R; five oiled cotton-gauze layers |
| Filter dimensions | 5.5-inch flange, 7-inch base, oval inverted top, 8-inch height |
| Main tube / shield | 05-71262B1 / 05-71262B2 as printed; service numbering differs from kit family |
| Second tube | 05-00947 turbo-side tube |
| Couplings | 05-00794 4-1/8-inch hump and 05-00564 3-inch hump |
| Main clamps | Two size 052 and two size 072; one additional mini clamp for applicable breather |
| Sensor interface | Original flow sensor with supplied 05-01177 gasket and two M4x0.7x10 screws |
| Measured airflow | Pro 5R 415 versus original 330 CFM at 7 inches H2O; dry 400 is separate |
| Dyno qualification | Linked report labels 51-series dry intake; marked +13 hp / +36 lb-ft, run-max differences +3 hp / +6 lb-ft |
| Emissions qualification | Primary references D-550-24 for some/all applications; full exact EO scope remains held |
| UPC | 802959504987 |
| WARNING | This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov. |
| Quantity | Manufacturer service part | Component |
|---|---|---|
| 1 | 24-91050 | Selected Pro 5R oiled filter; bill prints R24-91050 |
| 1 | 05-71262B2 | Heat shield housing |
| 1 | 05-71262B1 | Main molded tube |
| 1 | 05-00947 | Turbo-side tube |
| 1 | 05-00072 | 27-inch trim seal |
| 1 | 05-01177 | Flow-sensor gasket |
| 3 | 03-50114 | M6x25 screws |
| 3 | 03-50070 | M6 flat washers |
| 3 | 03-50071 | M6 wave washers |
| 2 | 03-50221 | M4x0.7x10 screws |
| 1 | 03-50066 | T20 Torx bit |
| 1 | 03-50178 | 1-inch breather elbow fitting |
| 1 | 03-50139 | Rubber breather grommet |
| 1 | 03-50023 | Mini clamp, 11/16 to 1-1/4 inches |
| 2 | 03-50008 | Size 052 coupling clamps |
| 2 | 03-50010 | Size 072 coupling clamps |
| 1 | 05-00794 | 4-1/8-inch hump coupling |
| 1 | 05-00564 | 3-inch hump coupling |
Shared bill dry and Pro GUARD alternatives are not additional selected filters. The bill prints R-prefixed filter service identifiers; current selected replacement omits the R prefix. Original filter minder, its original grommet, original flow sensor and original housing-mounting screws are retained. A separate black cover is not itemized in the reviewed bill despite older retailer cover prose. Manufacturer detailed shield wording is 18 gauge while older generic retailer wording says 16 gauge; confirm actual revision. Do not correct the printed 71262 tube/housing service numbers to an assumed 41262 prefix.
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
One 24-91050 Pro 5R filter with five oiled cotton-gauze layers, 5.5-inch flange and 8-inch height.
Does the exact manual include F-450 and F-550?Yes. Its cover explicitly names F-250/350/450/550 Super Duty 2008-2010 with the 6.4L diesel.
Which original sensor parts transfer?Original flow sensor, filter minder and original filter-minder grommet transfer; a new flow-sensor gasket and two M4 screws are supplied.
Which crankcase elbow is used?The manual distinguishes early original elbows from later supplied elbows by production tube. Verify actual fitting and unresolved boundary dates.
Does no cutting mean the old clamp is untouched?No. The procedure directs prying or cutting the old breather clamp, and later production uses the supplied elbow and mini clamp.
Is a separate cover itemized?No separate black cover is itemized in the reviewed exact bill; older retailer cover wording needs revision confirmation.
Does the linked dyno directly certify the selected oiled filter?No. Its run label names the dry 51-series configuration. Marked gains and run-max differences are separately qualified.
What torque and recheck apply?No numeric torque is specified. Reconnect both batteries and retighten connections after about 100-200 miles.
Verify aFe 54-41262. Read all sixteen pages and figures A-G. Work cool and disconnect negative battery connections; the final step specifically reconnects both batteries. Remove filter minder, release red flow-sensor connector lock and unplug sensor. Remove auxiliary airline from housing, lift original housing and release crankcase-breather clamp by prying or cutting the clamp as directed. Remove original tube at turbo. Transfer flow sensor using supplied T20 bit and retain original filter-minder grommet. Assemble couplings and clamps on supplied turbo-side 90-degree tube loosely, install supplied breather grommet and connect tube at turbo. Install sensor in main tube with supplied gasket and M4 screws, plus original filter-minder grommet. Fit trim seal to shield edge and attach main tube using three M6 screws, flat and wave washers. Lower housing first and connect tube sections. Reconnect breather according to production tube: manual says before May 6, 2007 reuse original elbow; after May 7, 2007 use supplied plastic elbow and mini clamp after releasing upper clamp. Exact boundary dates May 6-7 are not resolved by the manual, so verify actual fitting rather than assume. Tighten clamps, secure housing using original screws with tabs over original bracket, then install selected filter and its clamp. Reconnect sensor and filter minder and both batteries. No numeric torque is supplied. Retighten connections after about 100-200 miles. Apply EO label only when exact vehicle and configuration eligibility is verified.
Actual airflow chart measures Pro 5R 415 CFM, dry 400 CFM and original 330 CFM at 7 inches H2O; selected oiled difference is about 25.8 percent. The current linked Mustang-dyno report is labeled 51-41262 with 5-inch tube, a dry configuration, rather than independent selected-oiled proof. Marked low-rpm gains are 13 hp and 36 lb-ft, while maxima are 223 versus 220 hp and 526 versus 520 lb-ft, differences of 3 hp and 6 lb-ft. Intake run was acquired April 6 at 11:37 and baseline March 25 at 10:44; report printed April 6, 2011. Original exhaust and aFe DP are noted and the baseline mentions third gear; cropped run notes do not establish complete identical conditions. These results are not selected-oiled peak-gain certification. Manufacturer references D-550-24 for some/all applications; prior official robot restriction remains stopped and full exact order/application proof is held. No blanket all-vehicle exemption is certified. Turn14 authenticated access is unavailable and prices remain unchanged.
California Proposition 65 warning: this product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.
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