31 Cooling system parts are listed for the 2007 Cadillac BLS, in 7 part types, covering the 2.0L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The cooling system system on the 2007 Cadillac BLS 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 (14 parts), Water Pump (6 parts) and Temperature Sender / Sensor (5 parts). The other 4 part types cover the remaining 6 parts.
The 2007 Cadillac BLS came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
14 brands supply cooling system parts for the 2007 Cadillac BLS, led by PRESTONE (6 parts), FVP (3 parts) and PEAK (3 parts), plus 11 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 2007 Cadillac BLS. 6 parts have it, including FVP MV5050GAL (Coolant / Antifreeze) and STANDARD MOTOR PRODUCTS AX54 (Temperature Sender / Sensor). 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 | 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇲🇽 MX | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK | BQA1GAL | 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE | AF3100 | 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇲🇽 MX | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE | AFMAX | 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | ZXEL1 | 🇲🇽 MX | Dex-Cool Orange1 Gallon | View on Amazon |
| ACDELCO | 105027 | 🇲🇽 MX | DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon | View on Amazon |
| AISIN | ACD005 | 🇲🇽 MX | OrangeOAT | View on Amazon |
| PRESTONE | AF3400 | 🇲🇽 MX | Prime OrangeOrange Compatible | View on Amazon |
| PRESTONE | AF850 | 🇲🇽 MX | 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.
14 Coolant / Antifreeze parts are listed for the 2007 Cadillac BLS, from PRESTONE, PEAK, VALVOLINE and 3 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 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 5 options from PRESTONE, VALVOLINE, ACDELCO and 1 other brand — built to original-equipment specification. VALVOLINE ZXEL1 is listed in this group.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T62 | 🇲🇽 MX | 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 T62.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 3128 | 🇲🇽 MX | StandardRadiator Cap Adapter | View on Amazon |
| MOTORAD | 3127 | 🇲🇽 MX | Standard | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
MOTORAD supplies both parts for the 2007 Cadillac BLS.
Part numbers include MOTORAD 3128 and MOTORAD 3127.
Intercooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 96684 | 🇲🇽 MX | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
One part is listed for the 2007 Cadillac BLS — NISSENS 96684.
Radiator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 63024A | 🇲🇽 MX | Manual Transmissionwithout Oil Cooler | View on Amazon |
| NISSENS | 63023A | 🇲🇽 MX | Brazed cooling fins | 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.
NISSENS supplies both parts for the 2007 Cadillac BLS.
This group includes NISSENS 63024A and NISSENS 63023A.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UNITED MOTOR PRODUCTS | CTS137 | 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | AX54 | 🇲🇽 MX | Color/Finish: Black, Bronze | View on Amazon |
| NTK | EF0062 | 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | TX133 | 🇲🇽 MX | View on Amazon | |
| WELLS | 5S13415 | 🇲🇽 MX | 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.
5 Temperature Sender / Sensor parts are listed for the 2007 Cadillac BLS, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, NTK and 1 other brand. STANDARD MOTOR PRODUCTS AX54 carries the "Popular" badge.
Economy: 1 part, from UNITED MOTOR PRODUCTS. A representative part number is UNITED MOTOR PRODUCTS CTS137.
The Standard Replacement section: 4 options from STANDARD MOTOR PRODUCTS, NTK and WELLS. STANDARD MOTOR PRODUCTS AX54 is listed in this group.
Part numbers include STANDARD MOTOR PRODUCTS AX54, UNITED MOTOR PRODUCTS CTS137 and NTK EF0062, among others listed above.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS Popular | US5092 | 🇲🇽 MX | View on Amazon | |
| FVP | US5092 | 🇲🇽 MX | View on Amazon | |
| FVP | US5092G | 🇲🇽 MX | Includes Gear and Back Housing | View on Amazon |
| US MOTOR WORKS | US5092G | 🇲🇽 MX | Includes Gear and Back Housing | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Popular | 1307350AH | 🇲🇽 MX | Includes Housing and Timing Chain Sprocket | View on Amazon |
| GMB | 1307350 | 🇲🇽 MX | PUMP without HOUSING | 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.
6 Water Pump parts for the 2007 Cadillac BLS come from 3 brands — US MOTOR WORKS, FVP and GMB. The "Popular" part is US MOTOR WORKS US5092.
The Economy section: 4 options from US MOTOR WORKS and FVP. US MOTOR WORKS US5092 is listed in this group.
Standard Replacement: 2 parts, from GMB. A representative part number is GMB 1307350AH.
This group includes US MOTOR WORKS US5092 and FVP US5092G and the remaining parts above.
Buying Cooling System Parts for a 2007 Cadillac BLS
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 2.0L L4 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 2007 Cadillac BLS?
Our catalog currently lists 31 cooling system parts for the 2007 Cadillac BLS across 7 subcategories and 14 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2007 Cadillac BLS?
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 2007 Cadillac BLS 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 2007 Cadillac BLS?
Every part on this page is matched to the 2.0L L4 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 2007 Cadillac BLS
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