aFe 51-76203 Momentum GT intake uses an oil-free synthetic filter with a sealed housing, auxiliary air scoop and a roto-molded intake tube for the specified Jeep Wrangler JK 3.8L V6. Match the original sensor, vent and intake layout; the separate mechanical-fan kit uses different tube, coupling and grommet parts.
Specified 2007–2011 Jeep Wrangler JK 3.8L V6 only. Verify factory intake, fan, vent and temperature-sensor layout. A separate manufacturer kit is specified for non-US mechanical-fan configurations; this page does not certify interchange with that kit. This does not cover the later 3.6L engine, JL, TJ or a supercharger conversion.
| Years | Make | Model | Named trim; specified gasoline V6 required |
|---|---|---|---|
| 2007-2010 | Jeep | Wrangler | Unlimited X |
| 2007-2010 | Jeep | Wrangler | X |
| 2007-2011 | Jeep | Wrangler | Rubicon |
| 2007-2011 | Jeep | Wrangler | Sahara |
| 2007-2011 | Jeep | Wrangler | Unlimited Rubicon |
| 2007-2011 | Jeep | Wrangler | Unlimited Sahara |
| 2010-2011 | Jeep | Wrangler | Sport |
| 2010-2011 | Jeep | Wrangler | Unlimited Sport |
| 2011 | Jeep | Wrangler | 70th Anniversary |
| 2011 | Jeep | Wrangler | Unlimited 70th Anniversary |
Verify 51-76203 against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 51-76203 |
| Application | Specified 2007–2011 Wrangler JK 3.8L V6 |
| Filter media | Oil-free synthetic, gray |
| Replacement filter | 21-91062 |
| Tube | 05-76203B1 roto-molded tube |
| Housing | 05-76203B2; sealed tire-tread design |
| Coupling | 05-01305 silicone reducer hump |
| Sensor grommet | 03-50076 |
| Sensor / vent | Original intake-air temperature sensor and crankcase vent hose retained |
| Emissions document | Current page lists D-550-14 / D-550-19 / D-550-22; exact indexed D-550-22 scope checked |
| UPC | 802959540855 |
| 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 | 21-91062 | Pro DRY S filter; one selected-media element supplied |
| 1 | 05-76203B1 | Roto-molded intake tube |
| 1 | 05-76203B2 | Sealed housing |
| 1 | 03-50290 | Large T-bolt clamp listed in BOM |
| 2 | 03-50320 | Smaller T-bolt clamps listed in BOM |
| 1 | 05-01305 | Silicone reducer hump coupling |
| 1 | 03-50076 | Rubber temperature-sensor grommet |
| 1 | 05-00937 | Auxiliary air-box plug |
The shared manual shows alternative dry, oiled and Pro GUARD 7 elements; only the selected-media filter is supplied. Its BOM lists three clamps, while the installation sequence references four clamp positions and uses some different clamp part numbers. Confirm the boxed hardware revision with the manufacturer before assembly or replacement-part ordering; do not assume an unlisted extra clamp is included. Original grommets, M6 bolt, CCV hose and temperature sensor are reused.
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
A 2007–2011 Wrangler JK with the 3.8L V6 and compatible factory intake, sensor and vent layout is required. The separate non-US mechanical-fan version has different service parts; do not assume the standard-layout kit interchanges.
Is the filter supplied dry or oiled?This version uses the oil-free synthetic Pro DRY S element. Do not apply filter oil.
Are all the filters pictured in the manual included?No. The shared manual presents three filter choices. One element in the selected kit's media is supplied, not a three-filter kit.
Does the inlet plug make the intake waterproof?No. The urethane plug closes the auxiliary scoop. It does not establish a water-fording depth, a waterproof intake or permission to submerge the system.
Is a new MAF sensor supplied?No. The instructions reuse the original intake-air temperature sensor in the supplied rubber grommet. Carefully pull and twist the sensor straight out and avoid bending it sideways.
Why must the boxed clamp arrangement be checked?The parts list contains three clamps, while the illustrated sequence references four positions and some different clamp numbers. Confirm the actual boxed revision before proceeding; do not source an extra clamp solely by copying another kit.
Do the advertised gains equal peak-to-peak gains?No. The linked chart shows a 2007 Wrangler 3.8L with OE headers and exhaust, 35-inch tires and second gear. It labels a Momentum SIS test without identifying filter media; it is not a separately certified dry-media result.
What torque and mileage interval does the manual give?It gives no numeric clamp torque and no mileage-based recheck interval. Follow the actual illustrated procedure and manufacturer instructions supplied with the kit; do not substitute specifications from another intake.
Verify aFe 51-76203. Read the full illustrated manual, work on a cool engine and disconnect the negative battery terminal. Retain original parts. Slide back the red temperature-sensor connector lock, release the plug, loosen the stock intake clamps and disconnect the CCV hose. Lift out the air box, leaving the OE rubber mounting grommets in place; save the M6 inner-fender mounting bolt. Remove the original temperature sensor by pulling and twisting straight out without rocking it sideways. Install the selected filter into the new housing and seat the housing pins in the original grommets. Position the coupling at the throttle body. Install the new rubber grommet and carefully twist the original temperature sensor into the new tube, supporting the grommet from inside. Align the tube between filter and coupling, verify the actual clamp arrangement against the boxed revision, secure the joints, reconnect the CCV hose, reinstall the saved M6 bolt and reconnect the sensor plug with its red lock. No numeric clamp torque or mileage-based recheck interval is stated in this exact manual. Do not borrow either from another kit.
The official indexed D-550-22 table identifies this kit family for 2007–2011 Wrangler JK 3.8L. The other EO numbers listed by the product page were not independently mapped to additional applications. The indexed EO evidence was checked; a full current signed PDF and independent revocation status were not established. Confirm the exact vehicle and applicable EO identification label before inspection. The manual calls for an EO label near the device. Performance figures are manufacturer test claims, not guaranteed gains or proof of identical results with another filter medium.
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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