2003 GMC YUKON-XL-1500 Headers

Headers, Long Tube One-Piece, 1 5/8 in. Primaries, Round Port, 3 in. Collectors, 2 1/2 in. Reducers, Steel, Natural, Cadillac, Chevrolet, GMC, Pair

Part Number: HED-69720

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Cat4ward, Stainless Steel, Natural, 1-5/8 in. Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: JBA-1850S-2

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Cadilllac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: JBA-1850S-2JS

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair

Part Number: DOU-D3373

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Long Tube, Stainless Steel, Natural, 1.75 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair

Part Number: KOK-28502200

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Shorty, Steel, Titanium ceramic, Cadillac, Chevy, GMC, 4.8, 5.3L, Pair

Part Number: BBK-4005

3.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Street, Shorty, Steel, Temporary Paint, Cadillac, Chevy, GMC, Hummer, Small Block LS, Pair

Part Number: HED-69690

4.56 out of 5 stars ( 34 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Shorty, Steel, Ceramic Coated, Cadillac, Chevy, GMC, 4.8, 5.3L, Pair

Part Number: BBK-40050

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Street, Shorty, Steel, Silver Ceramic Coated, Cadillac, Chevy, GMC, Hummer, Small Block LS, Pair

Part Number: HED-69696

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/12/2026

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Header Bolts, Hex Head, 8mm x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Chevy, Small Block LS, Set of 12

Part Number: MRG-918G

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/12/2026

Headers, Shorty, Steel, Ceramic Coated, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: BIG-91836-1FLT

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair

Part Number: DOU-D3373-B

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Long Tube, Stainless Steel, Natural, 1.88 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair

Part Number: KOK-28502400

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Street, Shorty, Steel, Black Ceramic Coated, Cadillac, Chevy, GMC, Pair

Part Number: HED-69683

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Headers, Full-Length, Steel, Silver Ceramic Coated, Cadillac, Chevrolet, GMC, Pair

Part Number: HED-69726

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Headers, Shorty, Stainless Steel, Natural, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, 6.0L, 6.2L, Without EGR, Pair

Part Number: KOK-28501120

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Headers, Shorty, Stainless Steel, Natural, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: GIB-GP129S

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/12/2026

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Header Bolt Kit for LS Engines. (12) M8-1.25 x 25mm Grade 18-8 SS Header Bolts. 10mm head.

Part Number: KOK-BK110

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Headers, Street, Shorty, Steel, Temporary Paint, Cadillac, Chevy, GMC, Small Block LS, Pair

Part Number: HED-69680

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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