17+ 2018 GMC Sierra 1500 Headers & Manifolds Parts

Headers & Manifolds (17 products)

Kooks GM Gen V Stainless Header Bolt Kit Qty 10 - M8 - 1.25 x 25mm Bolts

Kooks Headers

Choose Trim

Kooks GM Gen V Stainless Header Bolt Kit Qty 10 - M8 - 1.25 x 25mm Bolts

$73.78

BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Polished Silver Ceramic

BBK

Fits All Trims

BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Polished Silver Ceramic

$629.75

Fel-Pro

Choose Trim

Fel-Pro Chevrolet Silverado 1500 MS 97531 Exhaust Manifold Gasket Set

$33.95

JBA 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Raw 409SS Cat4Ward Header

JBA

Fits All Trims

JBA 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Raw 409SS Cat4Ward Header

$720.88

Fel-Pro

Fits All Trims

Fel-Pro Chevrolet Silverado 1500 Exhaust Manifold Gasket Set

$24.61

JBA 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Silver Ctd Cat4Ward Header

JBA

Fits All Trims

JBA 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Silver Ctd Cat4Ward Header

$864.74

JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Silver Ctd Cat4Ward Header

JBA

Choose Trim

JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Silver Ctd Cat4Ward Header

$764.30

MAHLE Original 14-15 GM 5.3L Vin C Exhaust Manifold Set

Victor Reinz

Fits All Trims

MAHLE Original 14-15 GM 5.3L Vin C Exhaust Manifold Set

$39.30

JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Raw 409SS Cat4Ward Header

JBA

Choose Trim

JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Raw 409SS Cat4Ward Header

$594.04

aFe Twisted Steel Headers 14-15 GM Silverado/Sierra 1500 V8 5.3L6.2L

aFe

Fits All Trims

aFe Twisted Steel Headers 14-15 GM Silverado/Sierra 1500 V8 5.3L6.2L

$1236.65

BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Titanium Ceramic

BBK

Fits All Trims

BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Titanium Ceramic

$598.26

JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Ti Ctd Cat4Ward Header

JBA

Choose Trim

JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Ti Ctd Cat4Ward Header

$663.90

Kooks 15-20 Chevrolet Suburban LT LS LTZ Premier 1-3/4 x 3 Header & Catted Y-Pipe Kit

Kooks Headers

Fits All Trims

Kooks 15-20 Chevrolet Suburban LT LS LTZ Premier 1-3/4 x 3 Header & Catted Y-Pipe Kit

$3146.08

Kooks 15-20 Cadillac Escalade ESV Platinum Luxury 1-7/8 x 3 Header & Green Catted Y-Pipe Kit

Kooks Headers

Choose Trim

Kooks 15-20 Cadillac Escalade ESV Platinum Luxury 1-7/8 x 3 Header & Green Catted Y-Pipe Kit

$3996.30

Kooks 15-20 Chevrolet Suburban LT LS LTZ Premier 1-7/8 x 3 Header & Catted Y-Pipe Kit

Kooks Headers

Fits All Trims

Kooks 15-20 Chevrolet Suburban LT LS LTZ Premier 1-7/8 x 3 Header & Catted Y-Pipe Kit

$3384.78

Kooks 15-20 Chevrolet Suburban LT LS LTZ Premier 1-7/8 x 3 Header & Green Catted Y-Pipe Kit

Kooks Headers

Fits All Trims

Kooks 15-20 Chevrolet Suburban LT LS LTZ Premier 1-7/8 x 3 Header & Green Catted Y-Pipe Kit

$3979.98

Kooks 15-20 Cadillac Escalade ESV Platinum Premium 1-7/8 x 3 Header & Catted Y-Pipe Kit

Kooks Headers

Choose Trim

Kooks 15-20 Cadillac Escalade ESV Platinum Premium 1-7/8 x 3 Header & Catted Y-Pipe Kit

$3420.30

All 17 products shown

Frequently Asked Questions

Do these parts fit my 2018 GMC Sierra 1500?

This page groups parts listed for the 2018 GMC Sierra 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 2018 GMC Sierra 1500?

We offer a wide selection of headers & manifolds parts for the 2018 GMC Sierra 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 2018 GMC Sierra 1500?

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

How fast do 2018 GMC Sierra 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 2018 GMC Sierra 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.

2018 GMC Sierra 1500(3,510 parts)

2018 GMC Sierra 1500(3,510 parts)

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Other GMC Sierra 1500 Years

Headers & Manifolds (17 products)

Kooks GM Gen V Stainless Header Bolt Kit Qty 10 - M8 - 1.25 x 25mm Bolts

BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Polished Silver Ceramic

Fel-Pro Chevrolet Silverado 1500 MS 97531 Exhaust Manifold Gasket Set

JBA 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Raw 409SS Cat4Ward Header

Fel-Pro Chevrolet Silverado 1500 Exhaust Manifold Gasket Set

JBA 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Silver Ctd Cat4Ward Header

JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Silver Ctd Cat4Ward Header

MAHLE Original 14-15 GM 5.3L Vin C Exhaust Manifold Set

JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Raw 409SS Cat4Ward Header

aFe Twisted Steel Headers 14-15 GM Silverado/Sierra 1500 V8 5.3L6.2L

BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Titanium Ceramic

JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Ti Ctd Cat4Ward Header

Kooks 15-20 Chevrolet Suburban LT LS LTZ Premier 1-3/4 x 3 Header & Catted Y-Pipe Kit

Kooks 15-20 Cadillac Escalade ESV Platinum Luxury 1-7/8 x 3 Header & Green Catted Y-Pipe Kit

Kooks 15-20 Chevrolet Suburban LT LS LTZ Premier 1-7/8 x 3 Header & Catted Y-Pipe Kit

Kooks 15-20 Chevrolet Suburban LT LS LTZ Premier 1-7/8 x 3 Header & Green Catted Y-Pipe Kit

Kooks 15-20 Cadillac Escalade ESV Platinum Premium 1-7/8 x 3 Header & Catted Y-Pipe Kit

Frequently Asked Questions

Do these parts fit my 2018 GMC Sierra 1500?

What headers & manifolds options are available for my 2018 GMC Sierra 1500?

What brands make parts for the 2018 GMC Sierra 1500?

How fast do 2018 GMC Sierra 1500 parts ship?

What warranty do your 2018 GMC Sierra 1500 parts come with?