2021 GMC Canyon 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 2021 GMC Canyon come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL.

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

This group shows a single part: GM GENUINE 12683454.

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

10 Coolant Hose / Pipe parts for the 2021 GMC Canyon come from 3 brands — GM GENUINE, GATES and DORMAN. The "Popular" part is GATES 22458.

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

3 Coolant Hose / Pipe Seal parts are listed for the 2021 GMC Canyon, from GM GENUINE and FEL-PRO.

Listed part numbers: FEL-PRO 36156, GM GENUINE 12627055 and GM GENUINE 13364695.

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

2 Coolant Hose Retainer / Clip parts for the 2021 GMC Canyon come from GM GENUINE.

Part numbers include GM GENUINE 19130464 and GM GENUINE 11547354.

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

5 Coolant Reservoir parts are listed for the 2021 GMC Canyon, from TECHPRO, GM GENUINE, DORMAN and 1 other brand. GM GENUINE 84388367 carries the "Popular" badge.

Listed part numbers: GM GENUINE 84388367, DORMAN 603869 and SKP SK84388367, 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

6 Coolant Reservoir Cap parts are listed for the 2021 GMC Canyon, from DORMAN, SKP, AUTOTECNICA and 3 other brands. DORMAN 54218 carries the "Popular" badge.

Listed part numbers: DORMAN 54218, SKP SK54218 and AUTOTECNICA GM0714619, plus the other parts above.

This table covers the Coolant Reservoir clamps. Read more

2 Coolant Reservoir Clamp parts for the 2021 GMC Canyon come from GM GENUINE.

Listed part numbers: GM GENUINE 90572594 and GM GENUINE 11611503.

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

2 Cooling System Tester Adapter parts for the 2021 GMC Canyon come from MOTORAD.

Part numbers include MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

9 Hose Clamp parts for the 2021 GMC Canyon come from GM GENUINE. The "Popular" part is GM GENUINE 90530642.

Listed part numbers: GM GENUINE 90530642, GM GENUINE 90572595 and GM GENUINE 13162322, plus the other parts above.

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

5 Intercooler parts for the 2021 GMC Canyon come from 5 brands — TECHPRO, GM GENUINE, TYC and 2 other brands. The "Popular" part is TYC 18104.

The Economy section: 1 option from TECHPRO. TECHPRO GM3012118 is listed in this group.

Standard Replacement: 1 part, from GM GENUINE. A representative part number is GM GENUINE 84273778.

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

Listed part numbers: TYC 18104, TECHPRO GM3012118 and GM GENUINE 84273778, plus the other parts above.

This table covers the Intercooler Air Hose pipes. Read more

3 Intercooler Air Hose / Pipe parts for the 2021 GMC Canyon come from GM GENUINE.

Listed part numbers: GM GENUINE 84784919, GM GENUINE 84495341 and GM GENUINE 84784913.

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

14 Radiator parts for the 2021 GMC Canyon come from 10 brands — CSF, TYC, GM GENUINE and 7 other brands. The "Popular" part is CSF 3906.

The Economy section: 2 options from GPD and TECHPRO. GPD 13762C is listed in this group.

Standard Replacement: 4 parts, from CSF, TYC, GM GENUINE and 1 other brand. A representative part number is CSF 3906.

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 2021 GMC Canyon come from 3 brands — ACDELCO, GATES and PROFESSIONAL PARTS SWEDEN.

Listed part numbers: 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 2021 GMC Canyon, from ACDELCO and DORMAN.

Listed part numbers: ACDELCO 22985584 and DORMAN 61134.

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

4 Radiator Fan Assembly parts are listed for the 2021 GMC Canyon, from GPD, VARIOUS MFR, AGILITY and 1 other brand.

Economy: 2 parts, from GPD and VARIOUS MFR. A representative part number is GPD 2812041.

The Standard Replacement section: 2 options from AGILITY and UAC. AGILITY 6010383 is listed in this group.

Listed part numbers: GPD 2812041, VARIOUS MFR GM3115304 and AGILITY 6010383, plus the other parts above.

This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different. Read more

GM GENUINE supplies both parts for the 2021 GMC Canyon.

This group includes GM GENUINE 84530771 and GM GENUINE 1581842.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

8 Radiator Fan Clutch parts for the 2021 GMC Canyon come from 7 brands — FVP, GPD, HAYDEN and 4 other brands. The "Popular" part is GPD 2911429.

This group includes GPD 2911429, HAYDEN 3210 and FVP 22351 and the remaining parts above.

This table covers the shrouds that duct air through the fan and radiator. Read more

This group shows a single part: GM GENUINE 84243708.

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

11 Radiator Hose parts are listed for the 2021 GMC Canyon, from ACDELCO, GATES, CONTINENTAL and 1 other brand. ACDELCO 12659311 carries the "Popular" badge.

This table covers the brackets that mount the Radiator Hose. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2021 GMC Canyon — GM GENUINE 23232307.

This table covers the Radiator insulators. Read more

One part is listed for the 2021 GMC Canyon — GM GENUINE 22947568.

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

19 Temperature Sender / Sensor parts for the 2021 GMC Canyon come from 11 brands — GM GENUINE, WALKER PRODUCTS, GPD and 8 other brands. The "Popular" part is GM GENUINE 12641073.

The Economy section: 6 options from GPD, HOLSTEIN, ULTRA-POWER and 1 other brand. GPD 1712640 is listed in this group.

Standard Replacement: 13 parts, from GM GENUINE, WALKER PRODUCTS, STANDARD MOTOR PRODUCTS and 4 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

13 Thermostat parts are listed for the 2021 GMC Canyon, from SKP, MOTORAD, FOUR SEASONS and 6 other brands. GATES 34846 carries the "Popular" badge.

Economy: 5 parts, from SKP, AUTOTECNICA and DORMAN. A representative part number is AUTOTECNICA GM0720263.

The Standard Replacement section: 8 options from MOTORAD, FOUR SEASONS, GATES and 3 other brands. GATES 34846 is listed in this group.

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

9 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 GMC Canyon come from 4 brands — GM GENUINE, MAHLE / CLEVITE, FEL-PRO and 1 other brand. The "Popular" part is GM GENUINE 1534732.

Part numbers include GM GENUINE 1534732, GM GENUINE 12647181 and FEL-PRO 36213, among others listed above.

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

6 Thermostat Housing / Water Outlet parts are listed for the 2021 GMC Canyon, from GM GENUINE, DORMAN, SKP and 2 other brands. DORMAN 9022134 carries the "Popular" badge.

Economy: 2 parts, from DORMAN and SKP. A representative part number is DORMAN 9022134.

The Standard Replacement section: 4 options from GM GENUINE, GATES and MOTORAD. GM GENUINE 1511084 is listed in this group.

This group includes DORMAN 9022134, SKP SK86298 and GM GENUINE 1511084 and the remaining parts above.

This table covers the gaskets that seal the Water Inlet. 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

2 Water Inlet Gasket parts for the 2021 GMC Canyon come from GM GENUINE.

This group includes GM GENUINE 12647400 and GM GENUINE 12650512.

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 2021 GMC Canyon, from US MOTOR WORKS, GMB, FVP and 7 other brands. US MOTOR WORKS US8102 carries the "Popular" badge.

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

The Standard Replacement section: 13 options from GMB, GATES, GM GENUINE and 3 other brands. ACDELCO 2521009 is listed in this group.

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 2021 GMC Canyon come from 3 brands — GM GENUINE, FEL-PRO and VICTOR REINZ.

Part numbers include FEL-PRO 36154, GM GENUINE 2512064 and GM GENUINE 2512063, among others listed above.

This table covers the Water Pump Inlet tubes. Read more

One part is listed for the 2021 GMC Canyon — GM GENUINE 55589331.

This table covers the Water Pump Seal 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

GM GENUINE supplies the 3 Water Pump Seal / O-Ring parts for the 2021 GMC Canyon.

This group includes GM GENUINE 12646951, GM GENUINE 12646952 and GM GENUINE 12649987.