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

🔥Steel heat shield for cooler air intake

🌬️4-inch high-flow aluminum intake tube

🛡️Durable multilayer corrosion-resistant finish

¥30080

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your Silverado’s roar and performance—because your V8 deserves the coldest, cleanest air!

UNLEASH V 8 POWER - Optimized cold air intake boosts horsepower & torque for sharper acceleration and stronger pulls.
DURABILITY MEETS STYLE - Carbon black powder-coated tube with multilayer finish resists corrosion while looking sleek under the hood.
ENGINEERED FOR PRECISION FIT - Custom-designed for 1999-2006 GMC/Chevy V8 engines ensuring seamless installation and peak performance.
AGGRESSIVE SOUND REFINED DRIVE - Experience a deep intake roar on acceleration without sacrificing smooth, quiet cruising comfort.
REUSABLE HIGH EFFICIENCY FILTER - Multi-layer cotton filter with 98%+ filtration efficiency, washable every 100,000 miles for long-term engine protection.

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 corrosion-resistant multilayer black powder-coated aluminum tube and a steel heat shield, it delivers cooler, denser air for improved combustion. The reusable high-efficiency cotton filter ensures over 98% filtration, extending engine life. This intake system enhances horsepower, torque, and throttle response while providing an aggressive intake sound balanced with everyday drivability.

Specifications

ASIN	B082VH33Y4
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#6,668 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 (2,298)
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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¥30080

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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