Duramax 2020–2023 L5P/L5D

DURAMAX HD — CHEVY & GMC 2500/3500 HD · SILVERADO 4500/5500/6500 HD

DURAMAX 2020–2023 L5P/L5D · 6.6L

Saved to your garage — every page now filters to this truck.

Parts that fit

2020-2023 Duramax HD EZ Lynk Bundles
Fits your truck ✓

EZ Lynk Bundles

20–23 Duramax

The Diesel Techs

From $2,174.97
View product
2020-2023 Duramax HD EZ Lynk Tuners & Tunes
Fits your truck ✓

EZ Lynk Tuners & Tunes

20–23 Duramax

EZ Lynk

From $1,499.99
View product
2020-2023 Duramax HD HP MPVI4 Tuners & Tunes
Fits your truck ✓

HP MPVI4 Tuners & Tunes

20–23 Duramax

HP

From $1,729.99
View product
2020-2023 Duramax HD EZ Lynk Tunes ONLY
Fits your truck ✓

EZ Lynk Tunes ONLY

20–23 Duramax

EZ Lynk

From $949.99
View product
HP Tuner Credit Only
Fits your truck ✓

HP MPVI4 Tunes ONLY

17–26 Duramax

HP

$99.99
View product
2020-2023 Duramax HD HP MPVI4 Tunes ONLY
On sale
Fits your truck ✓

HP MPVI4 Tunes ONLY

20–23 Duramax

HP

$2,100.00From $949.99
View product
2020-2023 Duramax HD Full Exhaust Or Delete Pipe
Fits your truck ✓

Full Exhaust Or Delete Pipe

20–23 Duramax

White Label

From $374.99
View product
2020-2024 Duramax HD EGR Delete Kit
Fits your truck ✓

EGR Delete Kit

20–24 Duramax

The Diesel Techs

$299.99
View product
2020-2023 Duramax HD Cold Air Intakes
Fits your truck ✓

Cold Air Intakes

20–23 Duramax

The Diesel Techs

$399.99
View product
2001-2026 Straight Through Muffler
Fits your truck ✓

Straight Through Muffler

01–23 Duramax

White Label

$139.99
View product
2017-2023 Duramax HD 3.5" Downpipe
Fits your truck ✓

3.5" Downpipe

17–23 Duramax

The Diesel Techs

$274.99
View product
2001-2026 Stainless Steel Exhaust Tip
Fits your truck ✓

Stainless Steel Exhaust Tip

01–23 Duramax

The Diesel Techs

$99.99
View product
2020-2023 Duramax HD CAN Bus Plugs
Fits your truck ✓

CAN Bus Plugs

20–23 Duramax

The Diesel Techs

$149.99
View product
2006-2026 EZ Lynk Blank Tuner
Blank
Fits your truck ✓

EZ Lynk Blank Tuners & Tunes

06–23 Duramax

EZ Lynk

$549.99
View product
2017-2023 Duramax HP ECM Unlock Kit
Fits your truck ✓

HP MPVI4 ECM Upgrade

17–23 Duramax

HP

$249.99
View product
2001-2026 HP MPVI4 Tuner Blank
Blank
Fits your truck ✓

HP MPVI4 Tuners & Tunes

01–23 Duramax

HP

$409.99
View product
2001-2026 Muffler Delete Pipe
Fits your truck ✓

Muffler

01–26 Duramax

The Diesel Techs

$99.99
View product
2020-2023 Duramax HD Transmission Tunes
Fits your truck ✓

Transmission Tunes

20–23 Duramax

The Diesel Techs

$549.99
View product
2017-2023 Duramax HD CCV Delete Kit
Fits your truck ✓

CCV Delete Kit

17–23 Duramax

The Diesel Techs

$299.00
View product
2017-2023 Duramax HD Harness Plug Kit
Fits your truck ✓

Harness Plug Kit

17–23 Duramax

The Diesel Techs

$149.00
View product
2006-2026 EZ Lynk Lifetime Upgrade Tunes ONLY
Upgrade
Fits your truck ✓

EZ Lynk Lifetime Upgrade Tunes ONLY

06–23 Duramax

EZ Lynk

$275.99
View product