How to replace the engine coolant thermostat (LY2, LH6, LY5, LY6, L92) on GMC Sierra 3500 Classic?

The procedure to replace engine coolant thermometers starts with housing removal followed by direct removal of the Thermostat on ly2, lh6, ly5, ly6 or l92 engines. Install the new Thermostat as the second step before reinstalling the Thermostat Housing.

OEM GMC Sierra 3500 Classic Thermostat

Engine Coolant Thermostat

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5 Thermostats found

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GMC Sierra 3500 Classic Thermostat Part Number: 97241129
$36.18 MSRP: $71.82
You Save: $35.64 (50%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Classic Thermostat Part Number: 97241130
$33.42 MSRP: $62.76
You Save: $29.34 (47%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Classic Thermostat Part Number: 89018168
$36.41 MSRP: $72.25
You Save: $35.84 (50%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Engine Coolant Temperature
- Replaces: 89017851
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS
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GMC Sierra 3500 Classic Thermostat Part Number: 12559575
$17.99 MSRP: $33.78
You Save: $15.79 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12559269, 12559573, 10210450
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Classic Thermostat Housing Part Number: 97383583
Product Specifications
- Other Name: Housing-Engine Coolant Thermostat; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Replaces: 97222428
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL

GMC Sierra 3500 Classic Thermostat

Want to cut long-term maintenance and repair costs? Choose OEM Thermostat. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine GMC Sierra 3500 Classic parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM GMC Sierra 3500 Classic Thermostat includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

GMC Sierra 3500 Classic Thermostat Parts and Q&A

Thermostat
97241129
Q: How to replace the engine coolant thermostat (LY2, LH6, LY5, LY6, L92) on GMC Sierra 3500 Classic?
A:
The procedure to replace engine coolant thermometers starts with housing removal followed by direct removal of the Thermostat on ly2, lh6, ly5, ly6 or l92 engines. Install the new Thermostat as the second step before reinstalling the Thermostat Housing.