LBZ Duramax Cooling System

LBZ Duramax Radiators

LBZ Duramax Hoses - Pipes - Connectors

Coolant and Additives

LBZ Duramax Water Pump

Keep your 2006–2007 LBZ Duramax running cool and efficient with premium cooling system parts built for heavy-duty use. From radiators and water pumps to thermostats and coolant hoses, each component is engineered for superior heat dissipation, durability, and long-term reliability. Whether you're towing, tuned, or daily driving, our high-quality LBZ Duramax cooling system parts help maintain optimal temperatures and protect your engine under pressure.

18 Items

Duramax 01-16 High Temperature Thermostats Mishimoto MMTS-CHV-01DH — Duramax 01-16 High Temperature Thermostats Mishimoto MMTS-CHV-01DH $99.95
Fits: Duramax 2001-2016

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Duramax 01-16 Low Temperature Thermostats Mishimoto MMTS-CHV-01DL — Duramax 01-16 Low Temperature Thermostats Mishimoto MMTS-CHV-01DL $101.95
Fits: Duramax 2001-2016

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Duramax OE Rear Thermostat GM 97241130 — Duramax OE Rear Thermostat GM 97241130 $53.80
Fits: Duramax 2001-2018

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Duramax Front Thermostat GM 97241129 — Duramax Front Thermostat GM 97241129 $61.56
Fits: Duramax 2001-2018

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Duramax OE Engine Oil Cooler GM 19210615 — Sold Out
Duramax OE Engine Oil Cooler GM 19210615 $770.65
Fits: Duramax 2001-2010 & Duramax Express/Savana Van 2006-2010

Duramax 01-16 Coolant Filtration System DieselSite CFIKDM — Duramax 01-16 Coolant Filtration System DieselSite CFIKDM $170.00
Fits: LB7 | LLY | LBZ | LMM | LML Duramax 2001-2016

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Duramax 2001-2007 Coolant Overflow Tank PPE 116454025 — Duramax 2001-2007 Coolant Overflow Tank PPE 116454025 $269.99
Fits: Duramax 2001-2007

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Mishimoto MMRT-DMAX-01N Aluminum Degas Tank — Mishimoto MMRT-DMAX-01N Aluminum Degas Tank $471.95
Fits: LB7|LLY|LBZ Duramax 2001-2007

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Mishimoto MMRT-DMAX-01MWBK Wrinkle Black Aluminum Degas Tank — Mishimoto MMRT-DMAX-01MWBK Wrinkle Black Aluminum Degas Tank $471.95
Fits: LB7|LLY|LBZ Duramax 2001-2007

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Engine Coolant Thermostat Housing Bridge PPE 119000500 — Engine Coolant Thermostat Housing Bridge PPE 119000500 $269.99
Fits: LB7|LLY|LBZ Duramax 2001-2007

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PPE 119000730 Coolant Bypass Tube (Water Pump To Thermostat Housing) — PPE 119000730 Coolant Bypass Tube (Water Pump To Thermostat Housing) $116.99
Fits: LBZ Duramax

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Duramax Radiator Coolant Drain Pipe XDP XD328 — Duramax Radiator Coolant Drain Pipe XDP XD328 $59.95
Fits: Duramax 2006-2019

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Duramax Lower Radiator Insulator AcDelco 89019121 — Duramax Lower Radiator Insulator AcDelco 89019121 $33.61
Fits: 2500HD/3500 Silverado | Sierra 2001-2019

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Duramax Billet Coolant Block Off Plate XDP XD344 — Duramax Billet Coolant Block Off Plate XDP XD344 $64.95
Fits: Duramax 2001-2017

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Duramax Coolant Block-Off Plate Fleece FPE-DMAX-CBOP — Duramax Coolant Block-Off Plate Fleece FPE-DMAX-CBOP $55.00
Fits: Duramax 2001-2017

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Black Coolant Block-Off Plate PPE 119000820 — Black Coolant Block-Off Plate PPE 119000820 $53.99
Fits: Duramax 2001-2024

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PPE 119100100 Fan Clutch Delete Nut — PPE 119100100 Fan Clutch Delete Nut $35.99
Fits: Duramax 2001-2022

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Cold Case RC100 Polished Billet Radiator Cap Cover — Cold Case RC100 Polished Billet Radiator Cap Cover $23.22
Fits: Press Fit Cover For Cold Case Radiator Caps

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