2019 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

17 Coolant / Antifreeze parts for the 2019 GMC Terrain come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 1.6L L4 DIESEL Turbocharged and the 2.0L L4 Turbocharged.

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 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL 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 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

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

3 Coolant Air Bleed Hose / Pipe parts for the 2019 GMC Terrain come from GM GENUINE.

Part numbers include GM GENUINE 12634280, GM GENUINE 12683453 and GM GENUINE 84914056.

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

4 Coolant Hose / Pipe parts for the 2019 GMC Terrain come from GM GENUINE.

This group includes GM GENUINE 84914047, GM GENUINE 55591997 and GM GENUINE 55591998 and the remaining parts above.

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

5 Coolant Hose / Pipe Seal parts are listed for the 2019 GMC Terrain, from GM GENUINE, FEL-PRO and MAHLE / CLEVITE. GM GENUINE 12627055 carries the "Popular" badge. 2 parts fit every engine; the other 3 are engine-specific.

Part numbers include GM GENUINE 12627055, FEL-PRO 36156 and GM GENUINE 12662185, among others listed above.

This table covers the Coolant Hose retainers and clips. Read more

This group shows a single part: GM GENUINE 11548868.

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

5 Coolant Reservoir parts are listed for the 2019 GMC Terrain, from DORMAN, GM GENUINE, GPD and 2 other brands. DORMAN 603861 carries the "Popular" badge. All of them fit every engine offered in the 2019 Terrain.

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

4 Coolant Reservoir Cap parts are listed for the 2019 GMC Terrain, from AUTOTECNICA, CALORSTAT, GATES and 1 other brand. 3 parts fit every engine; the other 1 is engine-specific.

This group includes AUTOTECNICA GM0714619, CALORSTAT RC0144 and GATES 31569 and the remaining parts above.

This table covers the adapters used to pressure-test this cooling system. Read more

2 Cooling System Tester Adapter parts for the 2019 GMC Terrain come from MOTORAD. Every part fits both the 1.6L L4 DIESEL Turbocharged and the 2.0L L4 Turbocharged.

Part numbers include MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

11 Hose Clamp parts for the 2019 GMC Terrain come from GM GENUINE. The "Popular" part is GM GENUINE 90572594. 2 parts fit every engine; the other 9 are engine-specific.

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

9 Intercooler parts for the 2019 GMC Terrain come from 5 brands — TECHPRO, GM GENUINE, TYC and 2 other brands. The "Popular" part is TYC 18102.

The Economy section: 2 options from TECHPRO. TECHPRO GM3012123 is listed in this group.

Standard Replacement: 2 parts, from GM GENUINE. A representative part number is GM GENUINE 84361106.

5 further parts sit outside the graded sections, with the same engine-level match.

This group includes TYC 18102, TECHPRO GM3012123 and TECHPRO GM3012117 and the remaining parts above.

This table covers the Intercooler Air Hose pipes. Read more

3 Intercooler Air Hose / Pipe parts for the 2019 GMC Terrain come from GM GENUINE.

Part numbers include GM GENUINE 84836353, GM GENUINE 84498031 and GM GENUINE 84498030.

This table covers the Intercooler Hose / Pipe clamps. Read more

One part is listed for the 2019 GMC Terrain — GM GENUINE 13335193.

This table covers the Intercooler retainers and clips. Read more

One part is listed for the 2019 GMC Terrain — GM GENUINE 84828210.

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

10 Radiator parts for the 2019 GMC Terrain come from 9 brands — SPECTRA PREMIUM, GPD, CSF and 6 other brands. The "Popular" part is CSF 3866.

The Economy section: 1 option from GPD. GPD 13682C is listed in this group.

Standard Replacement: 1 part, from SPECTRA PREMIUM. A representative part number is SPECTRA PREMIUM CU13691.

8 further parts sit outside the graded sections, with the same engine-level match.

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

3 Radiator Cap parts for the 2019 GMC Terrain come from 3 brands — ACDELCO, GATES and PROFESSIONAL PARTS SWEDEN. 2 parts fit every engine; the other 1 is engine-specific.

This group includes ACDELCO RC124, GATES 31569 and PROFESSIONAL PARTS SWEDEN 21342353.

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

2 Radiator Drain Petcock parts are listed for the 2019 GMC Terrain, from ACDELCO and DORMAN. All of them fit every engine offered in the 2019 Terrain.

This group includes ACDELCO 22985584 and DORMAN 61134.

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

8 Radiator Fan Assembly parts are listed for the 2019 GMC Terrain, from GM GENUINE, GPD, TECHPRO and 4 other brands. GM GENUINE 84947813 carries the "Popular" badge. 2 parts fit every engine; the other 6 are engine-specific.

Economy: 3 parts, from GPD, TECHPRO and VARIOUS MFR. A representative part number is GPD 2812055.

The Standard Replacement section: 5 options from GM GENUINE, FOUR SEASONS, UAC and 1 other brand. GM GENUINE 84947813 is listed in this group.

This group includes GM GENUINE 84947813, GPD 2812055 and TECHPRO GM3115315 and the remaining parts 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 2019 GMC Terrain, from ACDELCO and GATES.

Part numbers include ACDELCO 84914041, ACDELCO 84914044 and ACDELCO 84914054, among others listed above.

This table covers the Radiator Insulator sleeves. Read more

One part is listed for the 2019 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 2019 GMC Terrain. All of them fit every engine offered in the 2019 Terrain.

Listed part numbers: GM GENUINE 23270572, GM GENUINE 85607646 and GM GENUINE 85607647.

This table covers the Radiator Upper Air Baffle retainers and clips. Read more

DORMAN supplies both parts for the 2019 GMC Terrain. All of them fit every engine offered in the 2019 Terrain.

Listed part numbers: DORMAN 961364 and DORMAN 961362.

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

17 Temperature Sender / Sensor parts for the 2019 GMC Terrain come from 9 brands — GM GENUINE, GPD, HOLSTEIN and 6 other brands. The "Popular" part is GM GENUINE 12641073.

The Economy section: 6 options from GPD, HOLSTEIN and UNITED MOTOR PRODUCTS. GPD 1712496 is listed in this group.

Standard Replacement: 11 parts, from GM GENUINE, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 3 other brands. A representative part number is GM GENUINE 12641073.

This table covers the Temperature Sender / Sensor clips. Read more

This group shows a single part: DORMAN 66264.

This table covers the Temperature Sender / Sensor O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: GM GENUINE 12639042.

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

10 Thermostat parts are listed for the 2019 GMC Terrain, from GATES, MOTORAD, CALORSTAT and 4 other brands. GATES 34717 carries the "Popular" badge.

Economy: 2 parts, from AUTOTECNICA and DORMAN. A representative part number is AUTOTECNICA GM0720261.

The Standard Replacement section: 6 options from GATES, CALORSTAT, MOTORAD and 1 other brand. GATES 34717 is listed in this group.

2 ungrouped parts are not assigned to a grade, with the same engine-level match.

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

6 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2019 GMC Terrain come from 3 brands — GM GENUINE, FEL-PRO and VICTOR REINZ.

Listed part numbers: FEL-PRO 36155, GM GENUINE 55579985 and GM GENUINE 55579986, plus the other parts above.

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

9 Thermostat Housing / Water Outlet parts are listed for the 2019 GMC Terrain, from SKP, GM GENUINE, DORMAN and 4 other brands. DORMAN 9022087 carries the "Popular" badge.

Economy: 3 parts, from DORMAN, SKP and VEMO. A representative part number is DORMAN 9022087.

The Standard Replacement section: 5 options from GM GENUINE, FOUR SEASONS, GATES and 1 other brand. GM GENUINE 1581764 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Part numbers include DORMAN 9022087, SKP SK9022087 and VEMO V51990021, among others listed 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

22 Water Pump parts are listed for the 2019 GMC Terrain, from GM GENUINE, US MOTOR WORKS, FVP and 8 other brands. US MOTOR WORKS US8102 carries the "Popular" badge.

Economy: 9 parts, from US MOTOR WORKS, FVP, SKP and 1 other brand. A representative part number is US MOTOR WORKS US8102.

The Standard Replacement section: 10 options from GATES, GM GENUINE, DAYCO and 3 other brands. ACDELCO 2521009 is listed in this group.

3 ungrouped parts are not assigned to a grade, with the same engine-level match.

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

4 Water Pump Gasket parts for the 2019 GMC Terrain come from 3 brands — GM GENUINE, FEL-PRO and VICTOR REINZ.

This group includes FEL-PRO 36154, GM GENUINE 2512064 and GM GENUINE 2512063 and the remaining parts above.