2024 GMC Terrain Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

15 Coolant / Antifreeze parts for the 2024 GMC Terrain come from 5 brands — PRESTONE, PEAK, VALVOLINE and 2 other brands. The "Popular" part is PRESTONE AF2100.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 3 options from PEAK, PRESTONE and VALVOLINE — the catalog's value-priced group. PEAK BQA1GAL is listed in this group.

In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

In the Premium grade, PRESTONE and PEAK supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, VALVOLINE, PRESTONE, ACDELCO and 1 other brand supply 6 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

This table covers the Coolant Air Bleed Hose pipes. Read more

2 Coolant Air Bleed Hose / Pipe parts for the 2024 GMC Terrain come from GM GENUINE.

This group includes GM GENUINE 12650443 and GM GENUINE 85807365.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

2 Coolant Hose / Pipe parts for the 2024 GMC Terrain come from GM GENUINE.

Part numbers include GM GENUINE 12649871 and GM GENUINE 12667458.

This table covers the seals at the Coolant Hose / Pipe. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

4 Coolant Hose / Pipe Seal parts are listed for the 2024 GMC Terrain, from GM GENUINE, FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 36247, GM GENUINE 12635750 and GM GENUINE 12662185, among others listed above.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

6 Coolant Reservoir parts are listed for the 2024 GMC Terrain, from TECHPRO, DORMAN, GM GENUINE and 2 other brands. DORMAN 603861 carries the "Popular" badge.

Listed part numbers: DORMAN 603861, GM GENUINE 23386455 and GPD 2411160, plus the other parts above.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

5 Coolant Reservoir Cap parts are listed for the 2024 GMC Terrain, from DORMAN, CALORSTAT, GATES and 2 other brands. DORMAN 54218 carries the "Popular" badge.

Listed part numbers: DORMAN 54218, CALORSTAT RC0144 and GATES 31569, plus the other parts above.

This table covers the Hose clamps. Read more

5 Hose Clamp parts for the 2024 GMC Terrain come from GM GENUINE. The "Popular" part is GM GENUINE 90530642.

Part numbers include GM GENUINE 90530642, GM GENUINE 90572594 and GM GENUINE 90572587, among others listed above.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

5 Intercooler parts for the 2024 GMC Terrain come from 5 brands — TYC, DORMAN, GM GENUINE and 2 other brands. The "Popular" part is TYC 18103.

Listed part numbers: TYC 18103, DORMAN 918527 and GM GENUINE 85046823, plus the other parts above.

This table covers the Intercooler Air Hose pipes. Read more

2 Intercooler Air Hose / Pipe parts for the 2024 GMC Terrain come from GM GENUINE.

Listed part numbers: GM GENUINE 86555935 and GM GENUINE 84940481.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

6 Radiator parts for the 2024 GMC Terrain come from 5 brands — GM GENUINE, CSF, SPECTRA PREMIUM and 2 other brands. The "Popular" part is CSF 3866.

Part numbers include CSF 3866, SPECTRA PREMIUM CU13691 and AGILITY 8013691, among others listed above.

This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

This group shows a single part: ACDELCO RC124.

This table covers the petcocks used to drain the radiator. Read more

One part is listed for the 2024 GMC Terrain — ACDELCO 22985584.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

6 Radiator Fan Assembly parts are listed for the 2024 GMC Terrain, from GM GENUINE, TYC, AGILITY and 1 other brand. GM GENUINE 84847895 carries the "Popular" badge.

Part numbers include GM GENUINE 84847895, TYC 625250 and AGILITY 6010504, among others listed above.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

6 Radiator Hose parts are listed for the 2024 GMC Terrain, from ACDELCO, GATES and CONTINENTAL. ACDELCO 84914035 carries the "Popular" badge.

Listed part numbers: ACDELCO 84914035, GATES 51802 and ACDELCO 84914034, plus the other parts above.

This table covers the Radiator Insulator sleeves. Read more

One part is listed for the 2024 GMC Terrain — GM GENUINE 23134225.

This table covers the seals at the Radiator. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

GM GENUINE supplies the 3 Radiator Seal parts for the 2024 GMC Terrain.

Part numbers include GM GENUINE 23270572, GM GENUINE 85607646 and GM GENUINE 85607647.

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender. Read more

5 Temperature Sender / Sensor parts for the 2024 GMC Terrain come from 4 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, GM GENUINE and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS TX229.

The Economy section: 2 options from HOLSTEIN and STANDARD MOTOR PRODUCTS. HOLSTEIN 2CTS0125 is listed in this group.

Standard Replacement: 3 parts, from STANDARD MOTOR PRODUCTS, GM GENUINE and WELLS. A representative part number is STANDARD MOTOR PRODUCTS TX229.

Part numbers include STANDARD MOTOR PRODUCTS TX229, HOLSTEIN 2CTS0125 and STANDARD MOTOR PRODUCTS TX229T, among others listed above.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

5 Thermostat parts are listed for the 2024 GMC Terrain, from DORMAN, MOTORAD, CALORSTAT and 2 other brands. MOTORAD 993176 carries the "Popular" badge.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 9022124.

The Standard Replacement section: 4 options from MOTORAD, CALORSTAT, FOUR SEASONS and 1 other brand. MOTORAD 993176 is listed in this group.

This group includes MOTORAD 993176, DORMAN 9022124 and CALORSTAT TH740382J and the remaining parts above.

This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

5 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2024 GMC Terrain come from 4 brands — GM GENUINE, FEL-PRO, MAHLE / CLEVITE and 1 other brand. The "Popular" part is GM GENUINE 12649163.

This group includes GM GENUINE 12649163, FEL-PRO 36208 and GM GENUINE 12664202 and the remaining parts above.

This table covers the housings and outlets the thermostat sits in. Read more

6 Thermostat Housing / Water Outlet parts are listed for the 2024 GMC Terrain, from GM GENUINE, DORMAN, FOUR SEASONS and 2 other brands. DORMAN 9022132 carries the "Popular" badge.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 9022132.

The Standard Replacement section: 5 options from GM GENUINE, FOUR SEASONS, GATES and 1 other brand. GM GENUINE 12707589 is listed in this group.

Listed part numbers: DORMAN 9022132, GM GENUINE 12707589 and FOUR SEASONS 86302, plus the other parts above.

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off. Read more

7 Water Pump parts are listed for the 2024 GMC Terrain, from GM GENUINE, FVP, US MOTOR WORKS and 3 other brands. GM GENUINE 25205820 carries the "Popular" badge.

Economy: 2 parts, from FVP and US MOTOR WORKS. A representative part number is FVP US8147.

The Standard Replacement section: 5 options from GM GENUINE, GMB, DAYCO and 1 other brand. GM GENUINE 25205820 is listed in this group.

Listed part numbers: GM GENUINE 25205820 and FVP US8147, plus the other parts above.

This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

5 Water Pump Gasket parts for the 2024 GMC Terrain come from 3 brands — GM GENUINE, FEL-PRO and MAHLE / CLEVITE. The "Popular" part is GM GENUINE 2512070.

Part numbers include GM GENUINE 2512070, FEL-PRO 36209 and FEL-PRO 36207, among others listed above.

This table covers the Water Pump housings. Read more

This group shows a single part: GM GENUINE 25204308.

This table covers the Water Pump pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

This group shows a single part: GM GENUINE 12642753.