Will this fit on a 03 gmc envoy with the 4.2 in it?

Probably not, most likely you have to have the right length of tube and the rubber hoses to connect everything,I would type in the search 03 gmc envoy 4.2L coldair intake and see what comes up, hope that helps.

Fit a 2500dh 6.6 duramax?

Not for the diesel applications

Anybody know the k&n replacement filter number for 2003 silverado 5.3??

I know S&B filters KF-1000 & KF-1042 fits straight to MAF

I would like a second filter so when i clean one i can put the other in and go? where do i get one

I would definitely upgrade the filter, these ate cheap and aren't meant to be cleaned. If you measure the inlet hole you can find this filter for any brand.

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4 inch Cold Air Intake Black Tube + Heat Shield for 1999-2006 GMC/Chevy V8 4.8L/5.3L/6.0L Silverado 1500/2500/3500 Black

Product ID: 180126183

Details

Brand
MOOSUN
Fit Type
Vehicle Fit
OEM Part Number
MS-99-06-BB
Product Dimensions
14.96"L x x
Product Grade
New

⚙️Optimized 4-inch flared intake tube

❄️Heat shield for cooler air intake

🛡️Durable multilayer powder coating

630.24 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Drive Cooler, Roar Louder, Own the Road!

UNLEASH PEAK V 8 POWER - Boost horsepower & torque for sharper acceleration and stronger pulls.
EFFORTLESS MAINTENANCE - Reusable high-efficiency cotton filter with 98%+ filtration—clean every 100,000 miles.
STAY COOL UNDER PRESSURE - Steel heat shield isolates intake from engine heat, delivering denser, colder air.
ENGINEERED FOR PRECISION FIT - Custom-designed for 1999-2006 GMC/Chevy V8 engines—perfect compatibility guaranteed.
SOUND THAT COMMANDS ATTENTION - Aggressive intake roar on acceleration, smooth and refined cruising sound.

The MOOSUN 4-inch Cold Air Intake with heat shield is a vehicle-specific upgrade for 1999-2006 GMC and Chevy V8 engines. Featuring a durable multilayer carbon black powder-coated tube and a steel heat shield, it delivers cooler, denser air for improved combustion. This system boosts horsepower and torque, enhances throttle response, and produces an aggressive intake sound while maintaining smooth cruising. The reusable high-efficiency cotton filter offers over 98% filtration and easy maintenance, making it a top-rated performance upgrade for Silverado, Sierra, Yukon, Escalade, and related models.

Specifications

ASIN	B082VH33Y4
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#8,967 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Air Intake Filters
Brand Name	MOOSUN
Customer Reviews	4.4 4.4 out of 5 stars (2,274)
Fit Type	Vehicle Specific Fit
Item Dimensions L x W x H	14.96"L x 11.02"W x 5.91"H
Item Weight	7.9 pounds
Manufacturer	MOOSUN
Manufacturer Part Number	MS-99-06-BB
Model Number	MS-99-06-BB
Number of Items	1
Number of Packs	1
OEM Equivalent Part Number	MS-99-06-BB
Product Grade	New
Shape	Oblong
UPC	303277078674
Unit Count	1 Count

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630.24 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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