2015 Ram 2500 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

22 Coolant / Antifreeze parts are listed for the 2015 Ram 2500, from PRESTONE, VALVOLINE, PEAK and 3 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2015 2500.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, FVP, PEAK, PRESTONE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Heavy Duty section lists 3 options from VALVOLINE and PRESTONE — rated for severe service. VALVOLINE ZXG051 is listed in this group.

The Premium section lists 5 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 9 options from VALVOLINE, PRESTONE, ACDELCO and 3 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.

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

8 Coolant Hose / Pipe parts are listed for the 2015 Ram 2500, from DORMAN, MOPAR, SKP and 1 other brand. DORMAN 626823 carries the "Popular" badge.

Listed part numbers: DORMAN 626823, DORMAN 626572 and DORMAN 626603, plus the other 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

2 Coolant Hose / Pipe Seal parts for the 2015 Ram 2500 come from 2 brands — AUTOTECNICA and ELRING.

Part numbers include AUTOTECNICA RM0720252 and ELRING 106320.

This table covers the seals at the Coolant Hose Connector / Flange. 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

This group shows a single part: ELRING 109260.

This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

4 Coolant Level Sensor parts are listed for the 2015 Ram 2500, from AUTOTECNICA, MOPAR, STANDARD MOTOR PRODUCTS and 1 other brand. 1 part fits every engine; the other 3 are engine-specific.

This group includes AUTOTECNICA DG0716969, MOPAR 68354536AA and STANDARD MOTOR PRODUCTS FLS318 and the remaining parts above.

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

10 Coolant Reservoir parts for the 2015 Ram 2500 come from 6 brands — DORMAN, GPD, MOPAR and 3 other brands. The "Popular" part is DORMAN 603571.

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 for the 2015 Ram 2500 come from 5 brands — MOTORAD, AUTOTECNICA, CALORSTAT and 2 other brands.

Part numbers include AUTOTECNICA GM0714619, CALORSTAT RC0144 and DORMAN 54201, among others listed above.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2015 Ram 2500 come from US MOTOR WORKS.

Part numbers include US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.

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

5 Cooling System Tester Adapter parts are listed for the 2015 Ram 2500, from MOTORAD, ACDELCO and GATES.

Part numbers include ACDELCO 12A01, GATES 31413 and MOTORAD 3003, among others listed above.

This table covers the Hose clamps. Read more

MOPAR supplies the 7 Hose Clamp parts for the 2015 Ram 2500.

Listed part numbers: MOPAR 52006750, MOPAR 32002370 and MOPAR 4809147AA, plus the other parts above.

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

8 Intercooler parts are listed for the 2015 Ram 2500, from CSF, GPD, TYC and 3 other brands. CSF 6098 carries the "Popular" badge.

This group includes CSF 6098, TYC 18030 and CSF 6076 and the remaining parts above.

This table covers the Intercooler Air Hose pipes. Read more

8 Intercooler Air Hose / Pipe parts are listed for the 2015 Ram 2500, from DORMAN, GATES, MOPAR and 2 other brands. BRUTE POWER HKT9003 carries the "Popular" badge.

Part numbers include BRUTE POWER HKT9003, CONTINENTAL 65402 and DORMAN 667311, among others listed above.

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

This group shows a single part: DORMAN 55246.

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

This group shows a single part: MOPAR 68189159AA.

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

24 Radiator parts are listed for the 2015 Ram 2500, from CSF, TYC, MOPAR and 9 other brands. CSF 3739 carries the "Popular" badge.

Economy: 4 parts, from GPD, FAMOUS BRAND and TECHPRO. A representative part number is FAMOUS BRAND 813494.

The Standard Replacement section: 20 options from CSF, TYC, MOPAR and 6 other brands. CSF 3739 is listed in this group.

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

7 Radiator Cap parts are listed for the 2015 Ram 2500, from GATES, MOTORAD, CALORSTAT and 2 other brands. GATES 31528 carries the "Popular" badge.

The Locking Replacement section lists 2 options from GATES and MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. GATES 31518 is listed in this group.

The Standard Replacement section: 5 options from GATES, MOTORAD, CALORSTAT and 2 other brands. GATES 31528 is listed in this group.

Part numbers include GATES 31528, GATES 31518 and MOTORAD ST16, among others listed above.

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

This group shows a single part: 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 for the 2015 Ram 2500 come from 7 brands — VARIOUS MFR, GPD, MOPAR and 4 other brands. The "Popular" part is MOPAR 55056948AH.

The Economy section: 2 options from GPD and VARIOUS MFR. GPD 2811742 is listed in this group.

Standard Replacement: 4 parts, from MOPAR, TYC, UAC and 1 other brand. A representative part number is MOPAR 55056948AH.

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

This group includes MOPAR 55056948AH, GPD 2811742 and VARIOUS MFR CH3115166 and the remaining 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

8 Radiator Fan Blade parts for the 2015 Ram 2500 come from 5 brands — DORMAN, GPD, MOPAR and 2 other brands. The "Popular" part is DORMAN 620057.

Part numbers include DORMAN 620057, DORMAN 621592 and GPD 2812305, among others listed above.

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

14 Radiator Fan Clutch parts are listed for the 2015 Ram 2500, from GPD, HAYDEN, US MOTOR WORKS and 4 other brands. GPD 2911370 carries the "Popular" badge.

This table covers the brackets that mount the Radiator Fan Clutch Bearing. 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

2 Radiator Fan Clutch Bearing Bracket parts are listed for the 2015 Ram 2500, from DORMAN and GATES.

Listed part numbers: DORMAN 300822 and GATES FB1022.

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

10 Radiator Fan Shroud parts are listed for the 2015 Ram 2500, from MOPAR, DORMAN, GPD and 1 other brand. DORMAN 620986 carries the "Popular" badge.

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

26 Radiator Hose parts for the 2015 Ram 2500 come from 6 brands — GATES, CONTINENTAL, MOPAR and 3 other brands. The "Popular" part is CONTINENTAL 66842. A list this long means Radiator Hose applications vary by configuration — the notes carry the qualifiers.

This table covers the Radiator Mount bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

2 Radiator Mount Bushing parts for the 2015 Ram 2500 come from MOPAR.

Part numbers include MOPAR 68050200AA and MOPAR 68050199AA.

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

6 Radiator Seal parts for the 2015 Ram 2500 come from MOPAR.

Listed part numbers: MOPAR 68232387AB, MOPAR 68237359AA and MOPAR 68229291AA, plus the other parts above.

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

This group shows a single part: DORMAN 963202.