2021 GMC Savana 3500 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 Savana 3500 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 hard pipes and extra hoses in the coolant circuit. Read more

2 Coolant Hose / Pipe parts for the 2021 GMC Savana 3500 come from GM GENUINE.

Listed part numbers: GM GENUINE 25866165 and GM GENUINE 84443244.

This table covers the Coolant Hose Connector flanges. Read more

This group shows a single part: GM GENUINE 1510595.

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

This group shows a single part: GM GENUINE 11547445.

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

4 Coolant Reservoir parts are listed for the 2021 GMC Savana 3500, from GM GENUINE, DORMAN and GPD.

Part numbers include DORMAN 603078, GM GENUINE 85604316 and GM GENUINE 85666315, among others listed 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 2021 GMC Savana 3500, from GM GENUINE, CALORSTAT and MOTORAD.

Listed part numbers: CALORSTAT RC0147, GM GENUINE RC121 and GM GENUINE RC122, plus the other parts above.

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

2 Coolant Reservoir Retainer / Clip parts for the 2021 GMC Savana 3500 come from GM GENUINE.

Part numbers include GM GENUINE 10121502 and GM GENUINE 23382103.

This table covers the Hose clamps. Read more

3 Hose Clamp parts for the 2021 GMC Savana 3500 come from GM GENUINE.

Listed part numbers: GM GENUINE 11548759, GM GENUINE 90530642 and GM GENUINE 86308358.

This table covers the seals at the Intercooler. 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

One part is listed for the 2021 GMC Savana 3500 — GM GENUINE 19130019.

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

5 Radiator parts for the 2021 GMC Savana 3500 come from 5 brands — GPD, GM GENUINE, CSF and 2 other brands. The "Popular" part is GM GENUINE 21939.

The Economy section: 1 option from GPD. GPD 2791C is listed in this group.

Standard Replacement: 4 parts, from GM GENUINE, CSF, SPECTRA PREMIUM and 1 other brand. A representative part number is GM GENUINE 21939.

Part numbers include GM GENUINE 21939, GPD 2791C and CSF 4023, 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

3 Radiator Cap parts for the 2021 GMC Savana 3500 come from 3 brands — ACDELCO, GATES and MOTORAD.

This group includes ACDELCO RC85, GATES 31532 and MOTORAD T46.

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

3 Radiator Fan Blade parts are listed for the 2021 GMC Savana 3500, from ACDELCO, GM GENUINE and VARIOUS MFR.

Part numbers include ACDELCO 1581941, GM GENUINE 86532392 and VARIOUS MFR GM3112129.

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

4 Radiator Fan Clutch parts for the 2021 GMC Savana 3500 come from 4 brands — FOUR SEASONS, GM GENUINE, HAYDEN and 1 other brand.

Part numbers include FOUR SEASONS 46144, GM GENUINE 1540585 and HAYDEN 2983, among others listed above.

This table covers the brackets that mount the Radiator Fan Motor. 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

This group shows a single part: GM GENUINE 24591472.

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

This group shows a single part: GM GENUINE 84362765.

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

One part is listed for the 2021 GMC Savana 3500 — ACDELCO 84186464.

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

8 Temperature Sender / Sensor parts for the 2021 GMC Savana 3500 come from 8 brands — ULTRA-POWER, GPD, HOLSTEIN and 5 other brands. The "Popular" part is ULTRA-POWER 5S13427.

The Economy section: 3 options from ULTRA-POWER, GPD and HOLSTEIN. ULTRA-POWER 5S13427 is listed in this group.

Standard Replacement: 5 parts, from STANDARD MOTOR PRODUCTS, FACET, GM GENUINE and 2 other brands. A representative part number is STANDARD MOTOR PRODUCTS TX247.

Part numbers include ULTRA-POWER 5S13427, GPD 1712496 and HOLSTEIN 2CTS0184, 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

17 Thermostat parts are listed for the 2021 GMC Savana 3500, from MOTORAD, CALORSTAT, AUTOTECNICA and 5 other brands. ACDELCO 131160 carries the "Popular" badge.

Economy: 3 parts, from AUTOTECNICA, DORMAN and SKP. A representative part number is AUTOTECNICA GM0718523.

The Heavy Duty section: 2 options from MOTORAD. MOTORAD 5523187 is listed in this group.

In the Performance grade, MOTORAD supplies 2 parts: engineered beyond original-equipment specification. A representative part number is MOTORAD 2523160.

The Standard Replacement section: 10 options from MOTORAD, CALORSTAT, ACDELCO and 2 other brands. ACDELCO 131160 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

6 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 GMC Savana 3500 come from 4 brands — FEL-PRO, MAHLE / CLEVITE, APEX and 1 other brand. The "Popular" part is FEL-PRO 36219.

Listed part numbers: FEL-PRO 36219, FEL-PRO 36106 and APEX AWO2386, plus the other parts above.

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

4 Thermostat Housing / Water Outlet parts are listed for the 2021 GMC Savana 3500, from DORMAN, FOUR SEASONS, GATES and 1 other brand.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 9022081.

The Standard Replacement section: 3 options from FOUR SEASONS, GATES and MOTORAD. FOUR SEASONS 85945 is listed in this group.

Part numbers include DORMAN 9022081, FOUR SEASONS 85945 and GATES CO34829, among others listed 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 Savana 3500 come from GM GENUINE.

This group includes GM GENUINE 12587397 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

5 Water Pump parts are listed for the 2021 GMC Savana 3500, from WJB / INMOTION PARTS, GATES, FVP and 2 other brands. GATES 45073 carries the "Popular" badge.

Economy: 1 part, from WJB / INMOTION PARTS. A representative part number is WJB / INMOTION PARTS WU1303160.

The Standard Replacement section: 4 options from GATES, FVP, GM GENUINE and 1 other brand. GATES 45073 is listed in this group.

Listed part numbers: GATES 45073, WJB / INMOTION PARTS WU1303160 and FVP 1303160, 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 2021 GMC Savana 3500 come from 3 brands — APEX, FEL-PRO and GM GENUINE. The "Popular" part is GM GENUINE 2512073.

Part numbers include GM GENUINE 2512073, APEX AWP3308 and APEX AWP3307, among others listed above.