20+ 2003 GMC Yukon XL 1500 Headers & Manifolds Parts

Headers & Manifolds (20 products)

Kooks LS Engine Header Bolts and Locking Hardware Qty 12 - M8 - 1.25 x 25mm Bolts

Kooks Headers

Part # BK110

Fits All Trims

Kooks LS Engine Header Bolts and Locking Hardware Qty 12 - M8 - 1.25 x 25mm Bolts

$79.83

JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Raw 409SS Cat4Ward Header

JBA

Part # 1850S-3

Choose Trim

JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Raw 409SS Cat4Ward Header

$719.27

BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic

BBK

Part # 4005

Choose Trim

BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic

$524.79

Gibson

Part # GP129S

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Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header - Stainless

$932.76

BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic

BBK

Part # 4006

Choose Trim

BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic

$524.79

JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Ti Ctd Cat4Ward Header

JBA

Part # 1850S-3JT

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JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Ti Ctd Cat4Ward Header

$845.03

MAHLE Original Buick Allure 09-08 Exhaust Manifold Set

Victor Reinz

Part # MS16124

Fits All Trims

MAHLE Original Buick Allure 09-08 Exhaust Manifold Set

$20.19

BD Diesel

Part # 1041400

Fits All Trims

BD Diesel Exhaust Manifold Kit - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8

$626.83

BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic

BBK

Part # 40050

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BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic

$598.26

Fel-Pro

Part # MSB92467

Fits All Trims

Fel-Pro Chevrolet Silverado 1500 MSB 92467 Exhaust Manifold Gasket Set Bolts Included

$57.78

BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic

BBK

Part # 40060

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BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic

$598.26

Gibson

Part # GP129S-C

Choose Trim

Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header - Ceramic Coated

$861.52

aFe Power Twisted Steel Headers 409 Stainless Steel 02-13 GM Silverado/Sierra 1500 V8 GMT800/GMT900

aFe

Part # 48-44001

Fits All Trims

aFe Power Twisted Steel Headers 409 Stainless Steel 02-13 GM Silverado/Sierra 1500 V8 GMT800/GMT900

$1223.85

BD Diesel

Part # 1041402

Fits All Trims

BD Diesel Driver Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8

$323.78

BD Diesel

Part # 1041401

Fits All Trims

BD Diesel Passenger Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8

$323.78

Kooks 03-13 GM 1500 Series Truck/SUV 4.8/5.3/6.0/6.2L 1-5/8in x 1-3/4in SS Headers w/o EGR

Kooks Headers

Part # 28501120

Fits All Trims

Kooks 03-13 GM 1500 Series Truck/SUV 4.8/5.3/6.0/6.2L 1-5/8in x 1-3/4in SS Headers w/o EGR

$1835.52

Fel-Pro

Part # MS92467

Fits All Trims

Fel-Pro 09-13 Chevrolet Silverado 1500/09-13 Corvette/12-15 Camaro Exhaust Manifold Gasket Set

$13.13

JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Silver Ctd Cat4Ward Header

JBA

Part # 1850S-3JS

Choose Trim

JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Silver Ctd Cat4Ward Header

$896.62

Kooks 02-05 Cadillac Escalade/Chevrolet Silverado 1500 1-3/4 x 3 Header & Catted Y-Pipe Kit

Kooks Headers

Part # 2851H220

Choose Trim

Kooks 02-05 Cadillac Escalade/Chevrolet Silverado 1500 1-3/4 x 3 Header & Catted Y-Pipe Kit

$3230.82

Kooks 02-05 Cadillac Escalade Base /Chevrolet Silverado 1-7/8 x 3 Header & Catted Y-Pipe Kit

Kooks Headers

Part # 2851H420

Choose Trim

Kooks 02-05 Cadillac Escalade Base /Chevrolet Silverado 1-7/8 x 3 Header & Catted Y-Pipe Kit

$3430.95

All 20 products shown

Frequently Asked Questions

Do these parts fit my 2003 GMC Yukon XL 1500?

This page groups parts listed for the 2003 GMC Yukon XL 1500. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What headers & manifolds options are available for my 2003 GMC Yukon XL 1500?

We offer a wide selection of headers & manifolds parts for the 2003 GMC Yukon XL 1500. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 2003 GMC Yukon XL 1500?

We carry parts from trusted brands including BBK, Kooks Headers, BD Diesel, JBA, and Fel-Pro, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2003 GMC Yukon XL 1500 parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 2003 GMC Yukon XL 1500 parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

2003 GMC Yukon XL 1500(3,772 parts)

Shop by Problem

Other GMC Yukon XL 1500 Years

2003 GMC Yukon XL 1500(3,772 parts)

Shop by Problem

Other GMC Yukon XL 1500 Years

Headers & Manifolds (20 products)

Kooks LS Engine Header Bolts and Locking Hardware Qty 12 - M8 - 1.25 x 25mm Bolts

JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Raw 409SS Cat4Ward Header

BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic

Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header - Stainless

BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic

JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Ti Ctd Cat4Ward Header

MAHLE Original Buick Allure 09-08 Exhaust Manifold Set

BD Diesel Exhaust Manifold Kit - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8

BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic

Fel-Pro Chevrolet Silverado 1500 MSB 92467 Exhaust Manifold Gasket Set Bolts Included

BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic

Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header - Ceramic Coated

aFe Power Twisted Steel Headers 409 Stainless Steel 02-13 GM Silverado/Sierra 1500 V8 GMT800/GMT900

BD Diesel Driver Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8

BD Diesel Passenger Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8

Kooks 03-13 GM 1500 Series Truck/SUV 4.8/5.3/6.0/6.2L 1-5/8in x 1-3/4in SS Headers w/o EGR

Fel-Pro 09-13 Chevrolet Silverado 1500/09-13 Corvette/12-15 Camaro Exhaust Manifold Gasket Set

JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Silver Ctd Cat4Ward Header

Kooks 02-05 Cadillac Escalade/Chevrolet Silverado 1500 1-3/4 x 3 Header & Catted Y-Pipe Kit

Kooks 02-05 Cadillac Escalade Base /Chevrolet Silverado 1-7/8 x 3 Header & Catted Y-Pipe Kit

Frequently Asked Questions

Do these parts fit my 2003 GMC Yukon XL 1500?

What headers & manifolds options are available for my 2003 GMC Yukon XL 1500?

What brands make parts for the 2003 GMC Yukon XL 1500?

How fast do 2003 GMC Yukon XL 1500 parts ship?

What warranty do your 2003 GMC Yukon XL 1500 parts come with?