aFe 50-70066D is a Momentum GT cold air intake for the specified GM 5.3L V8 trucks and SUVs. Current manufacturer scope reaches 2026, while the own manual covers Silverado/Sierra 1500 2019-2023 and Tahoe/Suburban/Yukon/XL 2021-2023. It uses one 21-91147 Pro DRY S filter with three oil-free synthetic layers, an XLPE tube, windowed housing and a reducing silicone bellows. It reuses the original MAF, scoop and mounting grommets. Reset filter life to 100% before disabling it per the vehicle owner manual.
The current exact manufacturer scope is GM trucks/SUVs 2019-2026 with the 5.3L V8. The own manual names Silverado/Sierra 1500 2019-2023 and Tahoe/Suburban/Yukon/Yukon XL 2021-2023. Separate exact selected-part named tables for both media match and support the displayed later ranges. Twenty original named ranges are extended and seventeen missing groups restored. Preserve the actual endpoints: Silverado Custom/SSV and Sierra AT4/Base remain 2019-2021; Suburban Commercial is 2021-2024; Yukon/XL SLE and SLT end in 2024, with Elevation separately named for 2025-2026. Do not extend those older trims merely because the model family reaches 2026. The 5.3L engine condition applies to every named group; no 6.2L, diesel, turbo-four, HD or Escalade mapping is inferred from shared service parts.
| Years | Make | Model | Named trim; actual engine and hood requirements apply |
|---|---|---|---|
| 2019-2021 | Chevrolet | Silverado 1500 | Custom |
| 2019-2026 | Chevrolet | Silverado 1500 | High Country |
| 2019-2026 | Chevrolet | Silverado 1500 | LT |
| 2019-2026 | Chevrolet | Silverado 1500 | LTZ |
| 2019-2021 | Chevrolet | Silverado 1500 | SSV |
| 2019-2026 | Chevrolet | Silverado 1500 | WT |
| 2019-2026 | GMC | Sierra 1500 | Denali |
| 2019-2026 | GMC | Sierra 1500 | SLE |
| 2019-2026 | GMC | Sierra 1500 | SLT |
| 2021-2024 | GMC | Yukon | SLE |
| 2021-2024 | GMC | Yukon | SLT |
| 2021-2024 | GMC | Yukon XL | SLE |
| 2021-2024 | GMC | Yukon XL | SLT |
| 2021-2026 | Chevrolet | Suburban | LT |
| 2021-2026 | Chevrolet | Suburban | Premier |
| 2021-2026 | Chevrolet | Suburban | Z71 |
| 2021-2026 | Chevrolet | Tahoe | LS |
| 2021-2026 | Chevrolet | Tahoe | LT |
| 2021-2026 | Chevrolet | Tahoe | PPV |
| 2021-2026 | Chevrolet | Tahoe | Premier |
| 2021-2026 | Chevrolet | Tahoe | SSV |
| 2021-2026 | Chevrolet | Tahoe | Z71 |
| 2019-2026 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2019-2026 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2023-2026 | Chevrolet | Silverado 1500 | PPV |
| 2019-2026 | Chevrolet | Silverado 1500 | RST |
| 2021-2024 | Chevrolet | Suburban | Commercial |
| 2021-2026 | Chevrolet | Suburban | LS |
| 2021-2026 | Chevrolet | Suburban | RST |
| 2022-2026 | Chevrolet | Tahoe | Commercial |
| 2021-2026 | Chevrolet | Tahoe | RST |
| 2019-2021 | GMC | Sierra 1500 | AT4 |
| 2019-2021 | GMC | Sierra 1500 | Base |
| 2019-2026 | GMC | Sierra 1500 | Elevation |
| 2022-2026 | GMC | Sierra 1500 | Pro |
| 2021-2026 | GMC | Yukon | AT4 |
| 2025-2026 | GMC | Yukon | Elevation |
| 2021-2026 | GMC | Yukon XL | AT4 |
| 2025-2026 | GMC | Yukon XL | Elevation |
Verify 50-70066D against the actual engine, sensor and vent connections, mounting locations and applicable emissions requirements before ordering.
| Brand | aFe POWER |
| Manufacturer Part Number | 50-70066D |
| Series | Momentum GT |
| Selected filter | One 21-91147 Pro DRY S; three oil-free synthetic layers |
| Filter dimensions | 5.5-inch flange x 8-inch base x 8-inch inverted top x 9-inch height |
| Tube / housing | 05-5070044B1 / 05-5070044B2; XLPE tube, clear housing inspection window |
| Current primary scope | Specified GM 5.3L V8 trucks/SUVs through 2026 |
| Own manual scope | Trucks 2019-2023; named SUVs 2021-2023; 5.3L V8 |
| Bellows | 05-01508 reducing silicone; (3.5 x 3.75)-inch ID x 3-inch length |
| Clamps | 03-50498 throttle side, 03-50265 tube side, 03-50267 housing; filter flange clamp separate |
| Bench flow | 630 CFM versus stock 505 at 7 inches H2O, a calculated 24.75% bench-flow increase; not a power percentage |
| Linked dyno | At the marked 3,200 rpm point, 162.02 minus 154.30 equals 7.72 HP and 265.85 minus 253.12 equals 12.73 lb-ft. Separate maxima are 272.01 versus 263.40 HP and 286.94 versus 275.28 lb-ft: 8.61 peak HP and 11.66 peak lb-ft. |
| Filter Life System | Reset to 100% before disabling using owner manual procedure |
| Torque / recheck | No numeric torque or battery step; 100-200-mile recheck |
| Emissions | Manufacturer states not currently CARB exempt; California purchase and registered-vehicle restriction |
| Quantity | Manufacturer service part | Component |
|---|---|---|
| 1 | 21-91147 | Selected Pro DRY S filter; other media is an alternative, not an additional filter |
| 1 | 05-5070044B1 | XLPE intake tube |
| 1 | 05-5070044B2 | Housing |
| 1 | 05-01508 | Reducing silicone bellows, (3.5 x 3.75)-inch ID x 3-inch length |
| 1 | 03-50265 | Tube-side T-bolt clamp, 3-13/16 to 4-1/8 inches |
| 1 | 03-50498 | Throttle-side T-bolt clamp, 3-9/16 to 3-7/8 inches |
| 1 | 05-01339 | Aluminum vent fitting |
| 1 | 03-50267 | Housing T-bolt clamp, 8-5/16 to 8-5/8 inches |
| 1 | 05-01429 | Silicone auxiliary inlet plug |
| 2 | 03-50491 | M4 x 8 mm Torx screws |
| 2 | 03-50492 | Nylon push-mount cable ties |
The two listed tube clamps have different sizes and are not interchangeable with the equal-size pair in the 6.2L kit. The reducing bellows differs from the 6.2L straight-size bellows despite shared tube/housing service numbers. Three T-bolt clamps are itemized; the filter flange clamp is a separate installation operation. Transfer the original MAF, two rear pin grommets and front metal insert/grommet. Retain the housing nut, scoop clip, ten sight-shield clips and both hood-latch screws. The bill lists two supplied push-mount ties; the procedure uses one supplied tie in the upper housing hole and the retained factory harness tie by the scoop. No second filter, new MAF, scoop or grommet set is included.
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 21-91147 Pro DRY S filter, tube, housing, reducing bellows, two differently sized tube clamps, housing clamp, aluminum vent fitting, plug, two M4 x 8 mm screws and two push-mount ties.
Is the filter oiled?This selection uses three oil-free synthetic layers. The other media listed in the shared bill is an alternative, not a second filter.
Why do the two tube clamps differ?The 05-01508 bellows reduces from 3.75 to 3.5 inches. Use TB387SS at the throttle body and TB412SS at the tube end per this manual; do not borrow the 6.2L equal-size clamp pair.
Does 2026 model coverage extend every older trim?No. Silverado Custom/SSV and Sierra AT4/Base end in 2021 in the exact named tables. Yukon/XL SLE and SLT end in 2024, while Elevation is separately listed for 2025-2026.
What does the airflow chart measure?630 CFM versus stock 505 at 7 inches H2O, a calculated 24.75% bench-flow increase. The chart is a bench comparison at fixed pressure, not a horsepower percentage.
Are the advertised gains peak differences?At the marked 3,200 rpm point, 162.02 minus 154.30 equals 7.72 HP and 265.85 minus 253.12 equals 12.73 lb-ft. Separate maxima are 272.01 versus 263.40 HP and 286.94 versus 275.28 lb-ft: 8.61 peak HP and 11.66 peak lb-ft. The rounded advertised values and point readings must not be described as the same as separate maxima.
What must be reset and reused?Reset filter life to 100%, then disable per owner manual. Transfer the MAF, three grommets and front metal insert; restore scoop clip, all ten sight-shield clips and both hood-latch screws.
Which end goes in first and when should it be checked?Insert the tube into the throttle-body bellows first, then the filter. The own manual gives no battery step or numeric torque, and specifies a 100-200-mile check of bolts, clamps and connectors.
Verify aFe 50-70066D. Read all twenty pages and figures A-N with a cool engine. Reset the Air Filter Life System to 100% first, then disable it per the vehicle owner manual; otherwise a persistent Check Engine Air Filter System message may appear. Disconnect MAF and crankcase breather, loosen original duct clamps and rotate the outlet duct counterclockwise to release it from the eyelet. Release the harness locking tab and two ties. Save both hood-latch screws, all ten sight-shield clips, scoop clip and housing nut. Move the scoop clear and lift the housing off its stud toward the vehicle front, freeing its two pin grommets. Transfer both rear pin grommets and the front metal insert/grommet. Transfer MAF with the supplied M4 x 8 mm screws and install the aluminum vent fitting. Seat the housing pins in the bracket, restore the nut and scoop clip, then reinstall the sight shield with all ten clips and hood latch with both screws. Fit the large housing clamp and filter/flange clamp loosely. The auxiliary inlet may be closed with the plug; no measured gain for either plug position is supplied. Place the bellows and throttle-side TB387SS clamp on the throttle body, then the tube-side TB412SS clamp on the bellows. Install tube into the throttle-body coupling first, then the filter; align and tighten clamps. Reconnect crankcase breather and MAF. Secure the harness with one supplied captive tie in the upper housing hole and the factory tie at the scoop-side hole. Check all fasteners, clamps and connectors after 100-200 miles. No battery-disconnection step or numeric torque is specified.
The exact current primary and all twenty pages of the own manual were read, including complete bill and figures A-N. Both manuals have identical bytes, as do the two linked comparative flow charts; selected-media differences are applied separately. The chart shows 630 CFM versus stock 505 at 7 inches H2O, a calculated 24.75% bench-flow increase, matching the rounded advertised 25%. At the marked 3,200 rpm point, 162.02 minus 154.30 equals 7.72 HP and 265.85 minus 253.12 equals 12.73 lb-ft. Separate maxima are 272.01 versus 263.40 HP and 286.94 versus 275.28 lb-ft: 8.61 peak HP and 11.66 peak lb-ft. The primary advertises 8 HP and 13 lb-ft; point differences and separate peak differences are not interchangeable. The exact linked runs are labelled 2019 Silverado 5.3L and this selected intake: February 26, 2019 at 10:01:19 AM versus baseline January 11, 2019 at 2:41:40 PM. Both specify stock exhaust, third gear, 20% preload, 2,000 rpm and 33x12.50R18 tires/wheels. Intake SAE factor is 0.99 versus baseline 1.00. These sheets do not print ambient weather, hood or fan settings; those details are not borrowed from a different report. Results are test-specific and do not guarantee every later truck or SUV will gain the same amount. Exact named tables for both selected parts match, with older trim endpoints and the 2025 Elevation change retained. Manufacturer states non-CARB status and California restriction.
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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