The 2012 Ram 5500 has 129 cooling system parts with verified fitment on this page — 28 part types and 36 brands, covering the 6.7L L6 DIESEL Turbocharged engine. Each part includes a manufacturer part number and application notes.
The cooling system system on the 2012 Ram 5500 keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. The largest groups are Coolant / Antifreeze (17 parts), Water Pump (12 parts) and Radiator (10 parts). The other 25 part types cover the remaining 90 parts.
The 2012 Ram 5500 came with a single engine, the 6.7L L6 DIESEL Turbocharged, and every part is verified against it.
36 brands supply cooling system parts for the 2012 Ram 5500, led by MOPAR (15 parts), GATES (14 parts) and DORMAN (11 parts), plus 33 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2012 Ram 5500. 21 parts have it, including FVP MV5050GAL (Coolant / Antifreeze) and GATES 26235 (Intercooler Air Hose / Pipe). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | ZXG051 | 🇺🇸 US 🇨🇦 CA | G05 Yellow1 Gallon | View on Amazon |
| PRESTONE | AFC12100 | 🇺🇸 US 🇨🇦 CA | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 105027 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon | View on Amazon |
| AISIN | ACD005 | 🇺🇸 US 🇨🇦 CA | OrangeOAT | View on Amazon |
| FVP | DEX5050GAL | 🇺🇸 US | Extended Life Blend1 Gallon | View on Amazon |
| MOPAR | 68048953AA | 🇺🇸 US 🇨🇦 CA | GallonOrange | View on Amazon |
| PRESTONE | AF3400 | 🇺🇸 US 🇨🇦 CA | Prime OrangeOrange Compatible | View on Amazon |
| PRESTONE | AF850 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended Life1 Gallon | View on Amazon |
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.
17 Coolant / Antifreeze parts are listed for the 2012 Ram 5500, from PRESTONE, PEAK, FVP and 4 other brands. FVP MV5050GAL carries the "Popular" badge.
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 2 options from VALVOLINE and PRESTONE — rated for severe service. VALVOLINE ZXG051 is listed in this group.
The Premium section lists 4 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 6 options from PRESTONE, ACDELCO, AISIN and 2 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 626572 | 🇺🇸 US 🇨🇦 CA | Pipe | View on Amazon |
| MOPAR | 68084831AB | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisRegular Cab Chassis Wheelbase 2 | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
2 Coolant Hose / Pipe parts are listed for the 2012 Ram 5500, from DORMAN and MOPAR.
Part numbers include DORMAN 626572 and MOPAR 68084831AB.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 603778 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD | 2411151 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SK603778 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
3 Coolant Reservoir parts for the 2012 Ram 5500 come from 3 brands — DORMAN, GPD and SKP.
Part numbers include DORMAN 603778, GPD 2411151 and SKP SK603778.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T167 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
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.
This group shows a single part: MOTORAD T167.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS | 16749 | 🇺🇸 US | Econo Control | View on Amazon |
| US MOTOR WORKS | 16789 | 🇺🇸 US | Better Control | View on Amazon |
| US MOTOR WORKS | 16795 | 🇺🇸 US | Best Control | View on Amazon |
This table covers the Cooling Fan control modules.
3 Cooling Fan Control Module parts for the 2012 Ram 5500 come from US MOTOR WORKS.
Listed part numbers: US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | 31413 | 🇺🇸 US 🇨🇦 CA | Cooling System PressureRadiator Cap | View on Amazon |
| MOTORAD | 3003 | 🇺🇸 US 🇨🇦 CA | StandardIncluded In Tester Kit | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
2 Cooling System Tester Adapter parts are listed for the 2012 Ram 5500, from GATES and MOTORAD.
Listed part numbers: GATES 31413 and MOTORAD 3003.
Hose Clamp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 55056718AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisRegular Cab Chassis Wheelbase 1or Cab Chassis | View on Amazon |
This table covers the Hose clamps.
One part is listed for the 2012 Ram 5500 — MOPAR 55056718AA.
Intercooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 68069554AA | 🇺🇸 US 🇨🇦 CA | Fits Cab Chassiswith A/C | View on Amazon |
| SPECTRA PREMIUM | 44011304 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | CAC32 | 🇺🇸 US 🇨🇦 CA | Charge Air Cooler | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
3 Intercooler parts are listed for the 2012 Ram 5500, from MOPAR, SPECTRA PREMIUM and STANDARD MOTOR PRODUCTS.
Listed part numbers: MOPAR 68069554AA, SPECTRA PREMIUM 44011304 and STANDARD MOTOR PRODUCTS CAC32.
Intercooler Air Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 26235 | 🇺🇸 US 🇨🇦 CA | OE+ Molded HoseIncludes Clamps | View on Amazon |
| MAHLE / CLEVITE Popular | 513TK23564000 | 🇺🇸 US 🇨🇦 CA | Inlet Duct Pipe | View on Amazon |
| GATES | 26233 | 🇺🇸 US 🇨🇦 CA | OE+ Molded HoseIncludes Clamps | View on Amazon |
| GATES | 26234 | 🇺🇸 US 🇨🇦 CA | OE+ Molded HoseIncludes Clamps | View on Amazon |
| MAHLE / CLEVITE | 513TK23555000 | 🇺🇸 US 🇨🇦 CA | Charge Air Cooler Outlet | View on Amazon |
| MAHLE / CLEVITE | 513TK23543000 | 🇺🇸 US 🇨🇦 CA | Charge Air Cooler Pipe | View on Amazon |
This table covers the Intercooler Air Hose pipes.
6 Intercooler Air Hose / Pipe parts are listed for the 2012 Ram 5500, from GATES and MAHLE / CLEVITE. GATES 26235 carries the "Popular" badge.
This group includes GATES 26235, MAHLE / CLEVITE 513TK23564000 and GATES 26233 and the remaining parts above.
Intercooler Hose / Pipe Clamp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 55246 | 🇺🇸 US 🇨🇦 CA | OutletAt Cooler | View on Amazon |
| DORMAN | 55245 | 🇺🇸 US 🇨🇦 CA | OutletAt Intake Manifold | View on Amazon |
This table covers the Intercooler Hose / Pipe clamps.
2 Intercooler Hose / Pipe Clamp parts for the 2012 Ram 5500 come from DORMAN.
This group includes DORMAN 55246 and DORMAN 55245.
Intercooler Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 55111281AB | 🇺🇸 US 🇨🇦 CA | Charge Air Cooler SealLower | View on Amazon |
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.
This group shows a single part: MOPAR 55111281AB.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Popular | 813296 | 🇺🇸 US 🇨🇦 CA | RADIATOR CAP NOT INCLUDED | View on Amazon |
| GPD | 13296C | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 2219295 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AGILITY | 8013296 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| CSF | 3529 | 🇺🇸 US 🇨🇦 CA | 2 RowUpgraded Core. 2 Row core To OEM 1 Row core | View on Amazon |
| FVP | RAD13296 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOPAR | 55057089AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisRegular Cab Chassis Wheelbase 1or Cab Chassis | View on Amazon |
| OSC | 13296 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM | CU13296 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UAC | RA13296C | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
10 Radiator parts are listed for the 2012 Ram 5500, from FAMOUS BRAND, GPD, DENSO and 7 other brands. FAMOUS BRAND 813296 carries the "Popular" badge.
Economy: 2 parts, from FAMOUS BRAND and GPD. A representative part number is FAMOUS BRAND 813296.
The Standard Replacement section: 8 options from DENSO, AGILITY, CSF and 5 other brands. DENSO 2219295 is listed in this group.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular | ST16 | 🇺🇸 US 🇨🇦 CA | Safety Lever | View on Amazon |
| GATES | 31535 | 🇺🇸 US 🇨🇦 CA | Safety Release Radiator Cap | View on Amazon |
| SKP | SKST18 | 🇺🇸 US 🇨🇦 CA | with Safety Lever | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular | T16 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| GATES | 31525 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| MOPAR | 4596198 | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisRegular Cab Chassis Wheelbase 1or Cab Chassis | View on Amazon |
| SKP | SK10234 | 🇺🇸 US 🇨🇦 CA | Pressure Rating 18 psi | View on Amazon |
| SKP | SK10230 | 🇺🇸 US 🇨🇦 CA | Pressure Rating 16 psi | View on Amazon |
| SKP | SKT18 | 🇺🇸 US 🇨🇦 CA | Pressure Rating 18 psiwith 4 Lug Design | View on Amazon |
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.
9 Radiator Cap parts are listed for the 2012 Ram 5500, from SKP, MOTORAD, GATES and 1 other brand. MOTORAD ST16 carries the "Popular" badge.
The Locking Replacement section lists 3 options from MOTORAD, GATES and SKP — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST16 is listed in this group.
The Standard Replacement section: 6 options from SKP, MOTORAD, GATES and 1 other brand. MOTORAD T16 is listed in this group.
Part numbers include MOTORAD ST16, GATES 31535 and SKP SKST18, among others listed above.
Radiator Drain Petcock
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 61134 | 🇺🇸 US 🇨🇦 CA | Push-in twist lock | View on Amazon |
This table covers the petcocks used to drain the radiator.
This group shows a single part: DORMAN 61134.
Radiator Fan Blade
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 55056937AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisRegular Cab Chassis Wheelbase 1or Cab Chassis | View on Amazon |
| SKP | SK959915 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
2 Radiator Fan Blade parts for the 2012 Ram 5500 come from 2 brands — MOPAR and SKP.
Part numbers include MOPAR 55056937AA and SKP SK959915.
Radiator Fan Clutch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Popular | 46114 | 🇺🇸 US 🇨🇦 CA | Electronic | View on Amazon |
| HAYDEN Popular | 3291 | 🇺🇸 US 🇨🇦 CA | Electronic | View on Amazon |
| DORMAN | 622009 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP | 22345 | 🇺🇸 US 🇨🇦 CA | Electronic | View on Amazon |
| GMB | 9202510 | 🇺🇸 US 🇨🇦 CA | Electronic | View on Amazon |
| GPD | 2911374 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS | 22345 | 🇺🇸 US 🇨🇦 CA | Electronic | View on Amazon |
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.
7 Radiator Fan Clutch parts are listed for the 2012 Ram 5500, from FOUR SEASONS, HAYDEN, DORMAN and 4 other brands. FOUR SEASONS 46114 carries the "Popular" badge.
Part numbers include FOUR SEASONS 46114, HAYDEN 3291 and DORMAN 622009, among others listed above.
Radiator Fan Clutch Bearing Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | FB1001 | 🇺🇸 US 🇨🇦 CA | Fan Pulley Bracket | View on Amazon |
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.
One part is listed for the 2012 Ram 5500 — GATES FB1001.
Radiator Fan Shroud
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 620991 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOPAR | 55056943AC | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisRegular Cab Chassis Wheelbase 1or Cab Chassis | View on Amazon |
This table covers the shrouds that duct air through the fan and radiator.
2 Radiator Fan Shroud parts are listed for the 2012 Ram 5500, from DORMAN and MOPAR.
Listed part numbers: DORMAN 620991 and MOPAR 55056943AC.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 23956 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES Popular | 23955 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| ACDELCO | 22746M | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| ACDELCO | 27098X | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL | 66842 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL | 66843 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO | 72905 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| DAYCO | 72904 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| MOPAR | 55056955AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisOutlet | View on Amazon |
| MOPAR | 55056954AB | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisInlet | View on Amazon |
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.
10 Radiator Hose parts for the 2012 Ram 5500 come from 5 brands — GATES, ACDELCO, CONTINENTAL and 2 other brands. The "Popular" part is GATES 23956.
Radiator Upper Air Baffle Retainer / Clip
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 700365 | 🇺🇸 US 🇨🇦 CA | Outside Diameter: 0.688 InAir Box Clip | View on Amazon |
| DORMAN | 963202 | 🇺🇸 US 🇨🇦 CA | LowerRadiator Seal | View on Amazon |
| DORMAN | 963058 | 🇺🇸 US 🇨🇦 CA | Outside Diameter: 0.71 InAir Box Clip | View on Amazon |
This table covers the Radiator Upper Air Baffle retainers and clips.
3 Radiator Upper Air Baffle Retainer / Clip parts for the 2012 Ram 5500 come from DORMAN.
Part numbers include DORMAN 700365, DORMAN 963202 and DORMAN 963058.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1712596 | 🇺🇸 US 🇨🇦 CA | with 2 Terminal(s)with M14 x 1.5 Thread | View on Amazon |
| STANDARD MOTOR PRODUCTS | TX141T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| VEMO | V33720251 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 21191050 | 🇺🇸 US 🇨🇦 CA | Full Service KitIncludes O-Ring | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | TX141 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Popular | 2111050 | 🇺🇸 US 🇨🇦 CA | Sender Only or Sensor OnlyIncludes O-Ring | View on Amazon |
| NTK | EF0102 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5S1509 | 🇺🇸 US 🇨🇦 CA | Wiring Harness Included: No | View on Amazon |
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.
8 Temperature Sender / Sensor parts are listed for the 2012 Ram 5500, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, GPD and 3 other brands. STANDARD MOTOR PRODUCTS TX141 carries the "Popular" badge.
Economy: 3 parts, from GPD, STANDARD MOTOR PRODUCTS and VEMO. A representative part number is GPD 1712596.
In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 21191050.
The Standard Replacement section: 4 options from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, NTK and 1 other brand. STANDARD MOTOR PRODUCTS TX141 is listed in this group.
Listed part numbers: STANDARD MOTOR PRODUCTS TX141, GPD 1712596 and STANDARD MOTOR PRODUCTS TX141T, plus the other parts above.
Thermostat
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SK5426190 | 🇺🇸 US 🇨🇦 CA | Includes Housing & Seal | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular | 5426190 | 🇺🇸 US 🇨🇦 CA | Ultra StatIncludes seal | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 7426190 | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes seal | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular | 426190 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| CALORSTAT | TH713082J | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 1 Rubber Gasket | View on Amazon |
| GATES | 34212 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| GATES | 34218 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| GATES | 34219 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| MOPAR | 68067109AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisCummins Engine | View on Amazon |
| MOTORAD | 426180 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
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.
10 Thermostat parts for the 2012 Ram 5500 come from 5 brands — MOTORAD, GATES, SKP and 2 other brands. The "Popular" part is MOTORAD 5426190.
The Economy section: 1 option from SKP. SKP SK5426190 is listed in this group.
Heavy Duty: 1 part, from MOTORAD. A representative part number is MOTORAD 5426190.
Premium: 1 part, from MOTORAD. A representative part number is MOTORAD 7426190.
Standard Replacement: 7 parts, from GATES, MOTORAD, CALORSTAT and 1 other brand. A representative part number is MOTORAD 426190.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 35703 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| MAHLE / CLEVITE | C31858 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
| MOPAR | 5086740AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisCummins engine | View on Amazon |
| VICTOR REINZ | 714107400 | 🇺🇸 US 🇨🇦 CA | Inside Diameter: 2.1060 In | View on Amazon |
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.
4 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2012 Ram 5500, from FEL-PRO, MAHLE / CLEVITE, MOPAR and 1 other brand.
Listed part numbers: FEL-PRO 35703, MAHLE / CLEVITE C31858 and MOPAR 5086740AA, plus the other parts above.
Thermostat Housing / Water Outlet
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9023044 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 86009 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
| GATES | CO34834 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
| MOTORAD | CH6009 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
4 Thermostat Housing / Water Outlet parts for the 2012 Ram 5500 come from 4 brands — DORMAN, FOUR SEASONS, GATES and 1 other brand.
The Economy section: 1 option from DORMAN. DORMAN 9023044 is listed in this group.
Standard Replacement: 3 parts, from FOUR SEASONS, GATES and MOTORAD. A representative part number is FOUR SEASONS 86009.
This group includes DORMAN 9023044, FOUR SEASONS 86009 and GATES CO34834 and the remaining parts above.
Water Inlet Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | C33356 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
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.
One part is listed for the 2012 Ram 5500 — MAHLE / CLEVITE C33356.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | US6222 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SK1204410IM | 🇺🇸 US 🇨🇦 CA | Metal Impeller | View on Amazon |
| SKP | SK1204410 | 🇺🇸 US 🇨🇦 CA | Plastic Impeller | View on Amazon |
| US MOTOR WORKS | US6222 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS | WU6222 | 🇺🇸 US 🇨🇦 CA | Plastic Impeller88.5 mm Pulley | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 252920 | 🇺🇸 US 🇨🇦 CA | GoldDoes Not Include Mount Bolts | View on Amazon |
| GATES Popular | 42291 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Popular | MWP521 | 🇺🇸 US 🇨🇦 CA | 7 Vane Plastic Impeller | View on Amazon |
| DAYCO | DP172 | 🇺🇸 US 🇨🇦 CA | Serpentine Belt Driven | View on Amazon |
| GMB | 1204410IM | 🇺🇸 US 🇨🇦 CA | Cast Iron Impeller | View on Amazon |
| GMB | 1204410 | 🇺🇸 US 🇨🇦 CA | Plastic Impeller88.5 mm Pulley | View on Amazon |
| MOPAR | 68003402AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisCummins Engine | View on Amazon |
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.
12 Water Pump parts for the 2012 Ram 5500 come from 10 brands — SKP, GMB, FVP and 7 other brands. The "Popular" part is ACDELCO 252920.
The Economy section: 5 options from SKP, FVP, US MOTOR WORKS and 1 other brand. FVP US6222 is listed in this group.
Standard Replacement: 7 parts, from GMB, ACDELCO, GATES and 3 other brands. A representative part number is ACDELCO 252920.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 35525 | 🇺🇸 US 🇨🇦 CA | To Block | View on Amazon |
| MAHLE / CLEVITE | K31420 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
| VICTOR REINZ | 711388000 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
3 Water Pump Gasket parts are listed for the 2012 Ram 5500, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: FEL-PRO 35525, MAHLE / CLEVITE K31420 and VICTOR REINZ 711388000.
Water Pump Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 68210189AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisCummins Engine | View on Amazon |
This table covers the Water Pump housings.
One part is listed for the 2012 Ram 5500 — MOPAR 68210189AA.
Buying Cooling System Parts for a 2012 Ram 5500
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 6.7L L6 DIESEL Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Water Pump .
Frequently Asked Questions
How many cooling system parts fit the 2012 Ram 5500?
Our catalog currently lists 129 cooling system parts for the 2012 Ram 5500 across 28 subcategories and 36 brands, covering the 6.7L L6 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2012 Ram 5500?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2012 Ram 5500 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2012 Ram 5500?
Every part on this page is matched to the 6.7L L6 DIESEL Turbocharged engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2012 Ram 5500
Cooling System Parts for Other Ram 5500 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.