This page lists 115 cooling system parts for the 2009 Cadillac XLR, across 17 part types, covering both the 4.4L V8 Supercharged and the 4.6L V8. Every part shows its brand, manufacturer part number and fitment notes.
On the 2009 Cadillac XLR, 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. Most of the listed parts are Temperature Sender / Sensor (22 parts), Coolant / Antifreeze (16 parts) and Water Pump (11 parts). The other 14 part types cover the remaining 66 parts.
The 2009 Cadillac XLR was sold with both the 4.4L V8 Supercharged and the 4.6L V8. 91 parts fit every engine; the other 24 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2009 Cadillac XLR cooling system parts are GATES (10 parts), ACDELCO (8 parts) and MOTORAD (7 parts), plus 40 more brands. Quality grades include Standard Replacement, Economy and Premium.
25 parts on this 2009 Cadillac XLR page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and CONTINENTAL 61267 (Coolant Hose / Pipe). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2009 XLR engines | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: all 2009 XLR engines | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK Fits: all 2009 XLR engines | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE Fits: all 2009 XLR engines | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE Fits: all 2009 XLR engines | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 2009 XLR engines | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK Fits: all 2009 XLR engines | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK Fits: all 2009 XLR engines | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE Fits: all 2009 XLR engines | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2009 XLR engines | 105027 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon | View on Amazon |
| VALVOLINE Popular Fits: all 2009 XLR engines | ZXEL1 | 🇺🇸 US 🇨🇦 CA | Dex-Cool Orange1 Gallon | View on Amazon |
| AISIN Fits: all 2009 XLR engines | ACD005 | 🇺🇸 US 🇨🇦 CA | OrangeOAT | View on Amazon |
| FVP Fits: all 2009 XLR engines | DEX5050GAL | 🇺🇸 US 🇨🇦 CA | Extended Life Blend1 Gallon | View on Amazon |
| PRESTONE Fits: all 2009 XLR engines | AF3400 | 🇺🇸 US 🇨🇦 CA | Prime OrangeOrange Compatible | View on Amazon |
| PRESTONE Fits: all 2009 XLR engines | AF850 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended Life1 Gallon | View on Amazon |
| VALVOLINE Fits: all 2009 XLR engines | 888374 | 🇺🇸 US 🇨🇦 CA | American Vehicle Orange1 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.
16 Coolant / Antifreeze parts for the 2009 Cadillac XLR come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 4.4L V8 Supercharged and the 4.6L V8.
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 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.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Popular Fits: 4.6L V8 | 61267 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO Popular Fits: 4.6L V8 | 71709 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| ACDELCO Fits: 4.6L V8 | 20149S | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| ACDELCO Fits: 4.6L V8 | 14046S | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL Fits: 4.6L V8 | 63344 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES Fits: 4.6L V8 | 21366 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
6 Coolant Hose / Pipe parts for the 2009 Cadillac XLR come from 4 brands — CONTINENTAL, ACDELCO, DAYCO and 1 other brand. The "Popular" part is CONTINENTAL 61267.
Part numbers include CONTINENTAL 61267, DAYCO 71709 and ACDELCO 20149S, among others listed above.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 2009 XLR engines | 12R04 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| DORMAN Fits: all 2009 XLR engines | 54216 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORAD Fits: all 2009 XLR engines | T61 | 🇺🇸 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.
3 Coolant Reservoir Cap parts are listed for the 2009 Cadillac XLR, from ACDELCO, DORMAN and MOTORAD. All of them fit every engine offered in the 2009 XLR.
Listed part numbers: ACDELCO 12R04, DORMAN 54216 and MOTORAD T61.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2009 XLR engines | RY2011 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN Fits: all 2009 XLR engines | 902437 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: all 2009 XLR engines | 19530917 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS Fits: all 2009 XLR engines | 16749 | 🇺🇸 US 🇨🇦 CA | Econo Control | View on Amazon |
| US MOTOR WORKS Fits: all 2009 XLR engines | 16789 | 🇺🇸 US 🇨🇦 CA | Better Control | View on Amazon |
| US MOTOR WORKS Fits: all 2009 XLR engines | 16795 | 🇺🇸 US 🇨🇦 CA | Best Control | View on Amazon |
This table covers the Cooling Fan control modules.
6 Cooling Fan Control Module parts are listed for the 2009 Cadillac XLR, from US MOTOR WORKS, STANDARD MOTOR PRODUCTS, DORMAN and 1 other brand. STANDARD MOTOR PRODUCTS RY2011 carries the "Popular" badge. All of them fit every engine offered in the 2009 XLR.
This group includes STANDARD MOTOR PRODUCTS RY2011, DORMAN 902437 and GM GENUINE 19530917 and the remaining parts above.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: all 2009 XLR engines | 31431 | 🇺🇸 US 🇨🇦 CA | Cooling System Pressure | View on Amazon |
| GATES Fits: all 2009 XLR engines | 31391 | 🇺🇸 US 🇨🇦 CA | Cooling System PressureRadiator Cap | View on Amazon |
| MOTORAD Fits: all 2009 XLR engines | 3128 | 🇺🇸 US 🇨🇦 CA | StandardRadiator Cap Adapter | View on Amazon |
| MOTORAD Fits: all 2009 XLR engines | 3127 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
4 Cooling System Tester Adapter parts for the 2009 Cadillac XLR come from 2 brands — GATES and MOTORAD. Every part fits both the 4.4L V8 Supercharged and the 4.6L V8.
Listed part numbers: GATES 31431, GATES 31391 and MOTORAD 3128, plus the other parts above.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO Fits: all 2009 XLR engines | GM3010506 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular Fits: all 2009 XLR engines | 2715 | 🇺🇸 US 🇨🇦 CA | PRIMARY | View on Amazon |
| DENSO Fits: 4.6L V8 | 2219393 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP Fits: all 2009 XLR engines | RAD2715 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| OSC Fits: all 2009 XLR engines | 2715 | 🇺🇸 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.
5 Radiator parts for the 2009 Cadillac XLR come from 5 brands — TECHPRO, TYC, DENSO and 2 other brands. The "Popular" part is TYC 2715. 4 parts fit every engine; the other 1 is engine-specific.
The Economy section: 1 option from TECHPRO. TECHPRO GM3010506 is listed in this group.
Standard Replacement: 4 parts, from TYC, DENSO, FVP and 1 other brand. A representative part number is TYC 2715.
Listed part numbers: TYC 2715, TECHPRO GM3010506 and DENSO 2219393, plus the other parts above.
Radiator Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 2009 XLR engines | RC107 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GATES Fits: all 2009 XLR engines | 31566 | 🇺🇸 US 🇨🇦 CA | OE Type | 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.
2 Radiator Cap parts for the 2009 Cadillac XLR come from 2 brands — ACDELCO and GATES. Every part fits both the 4.4L V8 Supercharged and the 4.6L V8.
Part numbers include ACDELCO RC107 and GATES 31566.
Radiator Drain Petcock
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2009 XLR engines | 61136 | 🇺🇸 US 🇨🇦 CA | Screw-in with O-ring. M15-1.5 | View on Amazon |
This table covers the petcocks used to drain the radiator.
One part is listed for the 2009 Cadillac XLR — DORMAN 61136.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 4.6L V8 | 621102 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Popular Fits: 4.6L V8 | SK621102 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD Fits: all 2009 XLR engines | 2811645 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AGILITY Popular Fits: all 2009 XLR engines | 6016142 | 🇺🇸 US 🇨🇦 CA | Fan AssemblySingle Fan Configuration | View on Amazon |
| FOUR SEASONS Popular Fits: all 2009 XLR engines | 76050 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TYC Fits: all 2009 XLR engines | 621950 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UAC Fits: all 2009 XLR engines | FA50473C | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VDO / CONTINENTAL Fits: all 2009 XLR engines | FA70486 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
8 Radiator Fan Assembly parts are listed for the 2009 Cadillac XLR, from DORMAN, SKP, GPD and 5 other brands. DORMAN 621102 carries the "Popular" badge. 6 parts fit every engine; the other 2 are engine-specific.
Economy: 3 parts, from DORMAN, SKP and GPD. A representative part number is DORMAN 621102.
The Standard Replacement section: 5 options from AGILITY, FOUR SEASONS, TYC and 2 other brands. AGILITY 6016142 is listed in this group.
Part numbers include DORMAN 621102, SKP SK621102 and GPD 2811645, among others listed above.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: 4.4L V8 Supercharged | 21665 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| ACDELCO Fits: 4.4L V8 Supercharged | 24215L | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL Fits: 4.4L V8 Supercharged | 61546 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL Fits: 4.6L V8 | 62616 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL Fits: 4.6L V8 | 62635 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO Fits: 4.4L V8 Supercharged | 71375 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES Fits: all 2009 XLR engines | 23226 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES Fits: 4.6L V8 | 22909 | 🇺🇸 US 🇨🇦 CA | Molded | 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.
8 Radiator Hose parts are listed for the 2009 Cadillac XLR, from GATES, CONTINENTAL, ACDELCO and 1 other brand. GATES 21665 carries the "Popular" badge. 1 part fits every engine; the other 7 are engine-specific.
Listed part numbers: GATES 21665, ACDELCO 24215L and CONTINENTAL 61546, plus the other parts above.
Radiator Upper Air Baffle Retainer / Clip
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2009 XLR engines | 45490 | 🇺🇸 US 🇨🇦 CA | Push In Style | View on Amazon |
| DORMAN Fits: all 2009 XLR engines | 961070 | 🇺🇸 US 🇨🇦 CA | Air Box ClipBlack | View on Amazon |
This table covers the Radiator Upper Air Baffle retainers and clips.
DORMAN supplies both parts for the 2009 Cadillac XLR. All of them fit every engine offered in the 2009 XLR.
Part numbers include DORMAN 45490 and DORMAN 961070.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NTK Popular Fits: all 2009 XLR engines | EF0008 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyOval Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2009 XLR engines | TX3T | 🇺🇸 US 🇨🇦 CA | T-SeriesRound Connector | View on Amazon |
| GPD Fits: all 2009 XLR engines | 1711697 | 🇺🇸 US 🇨🇦 CA | with Oval Connectorwith 2 Terminal(s) | View on Amazon |
| HOLSTEIN Fits: all 2009 XLR engines | 2CTS0001 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: all 2009 XLR engines | SKTX3 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER Fits: all 2009 XLR engines | 5S1018 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2009 XLR engines | CTS3 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
| VEMO Fits: all 2009 XLR engines | V407203301 | 🇺🇸 US 🇨🇦 CA | Thread Size: 3/8 X 18 NPTPlug (Connector): 2 Pins | View on Amazon |
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Fits: all 2009 XLR engines | 21191012 | 🇺🇸 US 🇨🇦 CA | Full Service KitConnector Shape: Circle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2009 XLR engines | 1551107 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| GM GENUINE Popular Fits: all 2009 XLR engines | 213928 | 🇺🇸 US 🇨🇦 CA | Oval Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2009 XLR engines | TX3 | 🇺🇸 US 🇨🇦 CA | Round Connector | View on Amazon |
| BECK/ARNLEY Fits: all 2009 XLR engines | 1580536 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI Fits: all 2009 XLR engines | TS10075 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FACET Fits: all 2009 XLR engines | 73129 | 🇺🇸 US 🇨🇦 CA | Terminals: 2 | View on Amazon |
| FOUR SEASONS Fits: all 2009 XLR engines | 36403 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Fits: all 2009 XLR engines | 009107591 | 🇺🇸 US 🇨🇦 CA | 2-Pin ConnectorBolted | View on Amazon |
| NTK Fits: all 2009 XLR engines | EF0074 | 🇺🇸 US 🇨🇦 CA | with Mating Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2009 XLR engines | TX3K | 🇺🇸 US 🇨🇦 CA | INCLUDES CONNECTOR | View on Amazon |
| WALKER PRODUCTS Fits: all 2009 XLR engines | 2111012 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyCircle Connector | View on Amazon |
| WELLS Fits: all 2009 XLR engines | 5S1018 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Oval | View on Amazon |
| WELLS Fits: all 2009 XLR engines | 5S1474 | 🇺🇸 US 🇨🇦 CA | with Mating Connector | 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.
22 Temperature Sender / Sensor parts for the 2009 Cadillac XLR come from 17 brands — STANDARD MOTOR PRODUCTS, NTK, WALKER PRODUCTS and 14 other brands. The "Popular" part is NTK EF0008. Every part fits both the 4.4L V8 Supercharged and the 4.6L V8.
The Economy section: 8 options from NTK, STANDARD MOTOR PRODUCTS, GPD and 5 other brands. NTK EF0008 is listed in this group.
The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191012 is listed in this group.
Standard Replacement: 13 parts, from STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 8 other brands. A representative part number is ACDELCO 1551107.
Thermostat
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: all 2009 XLR engines | 5339180 | 🇺🇸 US 🇨🇦 CA | Ultra StatIncludes seal | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: all 2009 XLR engines | 7339180 | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes seal | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: all 2009 XLR engines | 33808 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| MOTORAD Popular Fits: all 2009 XLR engines | 339180 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| AISIN Fits: 4.6L V8 | THRGM0010 | 🇺🇸 US 🇨🇦 CA | Includes Thermostat Seal | View on Amazon |
| CALORSTAT Fits: 4.6L V8 | TH751082J | 🇺🇸 US 🇨🇦 CA | Includes 1 Rubber Gasket | View on Amazon |
| GM GENUINE Fits: all 2009 XLR engines | 131128 | 🇺🇸 US 🇨🇦 CA | OE Temperature | 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.
7 Thermostat parts are listed for the 2009 Cadillac XLR, from MOTORAD, GATES, AISIN and 2 other brands. GATES 33808 carries the "Popular" badge. 5 parts fit every engine; the other 2 are engine-specific.
The Heavy Duty section lists 1 option from MOTORAD — rated for severe service. MOTORAD 5339180 is listed in this group.
The Premium section: 1 option from MOTORAD. MOTORAD 7339180 is listed in this group.
The Standard Replacement section: 5 options from GATES, MOTORAD, AISIN and 2 other brands. GATES 33808 is listed in this group.
Listed part numbers: GATES 33808, MOTORAD 5339180 and MOTORAD 7339180, plus the other parts above.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 2009 XLR engines | 35660 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| FEL-PRO Popular Fits: all 2009 XLR engines | 35863 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | View on Amazon |
| APEX Fits: all 2009 XLR engines | AWO2089 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| APEX Fits: all 2009 XLR engines | AWO2252 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | View on Amazon |
| GM GENUINE Fits: 4.6L V8 | 12563623 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| MAHLE / CLEVITE Fits: all 2009 XLR engines | C31640 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
| MOTORAD Fits: 4.6L V8 | MG185 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| STANT Fits: 4.4L V8 Supercharged | 25293 | 🇺🇸 US 🇨🇦 CA | Replaced by 27293Thermostat Seal | View on Amazon |
| VICTOR REINZ Fits: all 2009 XLR engines | C31640 | 🇺🇸 US 🇨🇦 CA | Thermostat Gasket | View on Amazon |
| VICTOR REINZ Fits: all 2009 XLR engines | 711356400 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | 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.
10 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2009 Cadillac XLR come from 7 brands — FEL-PRO, APEX, VICTOR REINZ and 4 other brands. The "Popular" part is FEL-PRO 35660. 7 parts fit every engine; the other 3 are engine-specific.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS Popular Fits: all 2009 XLR engines | US8955 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AIRTEX Fits: all 2009 XLR engines | AW6239 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| FVP Fits: all 2009 XLR engines | US8955 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: 4.4L V8 Supercharged | SK913191 | 🇺🇸 US 🇨🇦 CA | Auxiliary | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2009 XLR engines | 252890 | 🇺🇸 US 🇨🇦 CA | GoldDoes Not Include Mount Bolts | View on Amazon |
| GATES Popular Fits: 4.4L V8 Supercharged | 41518E | 🇺🇸 US 🇨🇦 CA | Electric | View on Amazon |
| AISIN Fits: all 2009 XLR engines | WPGM710V | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP Fits: all 2009 XLR engines | 1308020 | 🇺🇸 US 🇨🇦 CA | Primary Pump | View on Amazon |
| GATES Fits: all 2009 XLR engines | 42022 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GMB Fits: all 2009 XLR engines | 1308020 | 🇺🇸 US 🇨🇦 CA | Primary Pump | View on Amazon |
| GMB Fits: 4.4L V8 Supercharged | 1259020 | 🇺🇸 US 🇨🇦 CA | for Supercharger Cooling SystemAuxiliary | 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.
11 Water Pump parts are listed for the 2009 Cadillac XLR, from FVP, GATES, GMB and 5 other brands. US MOTOR WORKS US8955 carries the "Popular" badge. 8 parts fit every engine; the other 3 are engine-specific.
Economy: 4 parts, from US MOTOR WORKS, AIRTEX, FVP and 1 other brand. A representative part number is US MOTOR WORKS US8955.
The Standard Replacement section: 7 options from GATES, GMB, ACDELCO and 2 other brands. ACDELCO 252890 is listed in this group.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Fits: all 2009 XLR engines | AWP3309 | 🇺🇸 US 🇨🇦 CA | O-Ring Type | View on Amazon |
| VICTOR REINZ Fits: all 2009 XLR engines | 711603300 | 🇺🇸 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.
2 Water Pump Gasket parts for the 2009 Cadillac XLR come from 2 brands — APEX and VICTOR REINZ. Every part fits both the 4.4L V8 Supercharged and the 4.6L V8.
This group includes APEX AWP3309 and VICTOR REINZ 711603300.
Water Pump Seal / O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 2009 XLR engines | 35860 | 🇺🇸 US 🇨🇦 CA | O-Ring | View on Amazon |
| MAHLE / CLEVITE Fits: all 2009 XLR engines | K32433 | 🇺🇸 US 🇨🇦 CA | Engine Water Pump GasketMolded Rubber | View on Amazon |
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.
2 Water Pump Seal / O-Ring parts are listed for the 2009 Cadillac XLR, from FEL-PRO and MAHLE / CLEVITE. All of them fit every engine offered in the 2009 XLR.
Part numbers include FEL-PRO 35860 and MAHLE / CLEVITE K32433.
Buying Cooling System Parts for a 2009 Cadillac XLR
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.
- Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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: Temperature Sender / Sensor and Coolant / Antifreeze .
Frequently Asked Questions
How many cooling system parts fit the 2009 Cadillac XLR?
Our catalog currently lists 115 cooling system parts for the 2009 Cadillac XLR across 17 subcategories and 43 brands, covering both the 4.4L V8 Supercharged and the 4.6L V8. Each part is matched to the engine(s) it fits.
Do cooling system parts differ between 2009 Cadillac XLR engines?
Some do. 91 parts fit every engine; the other 24 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of cooling system problems on a 2009 Cadillac XLR?
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 2009 Cadillac XLR 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 2009 Cadillac XLR?
First match the engine — each row shows which engine(s) the part fits. 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 2009 Cadillac XLR
Cooling System Parts for Other Cadillac XLR Years
Switch vehicle or jump to a subcategory
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.