2005 Toyota Avalon Cooling System Parts

Engine:
3.5L V6

This page lists 82 cooling system parts for the 2005 Toyota Avalon, across 13 part types, covering the 3.5L V6 engine. Every part shows its brand, manufacturer part number and fitment notes.

On the 2005 Toyota Avalon, 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. 44 parts of the 82 listed are Temperature Sender / Sensor (18 parts), Coolant / Antifreeze (16 parts) and Radiator (10 parts). The other 10 part types cover the remaining 38 parts.

Coolant / Antifreeze

Compatible With All Colors

Brand Part Number Markets Notes Buy
PRESTONE AF3055
🇺🇸 US 🇨🇦 CA
Prime YellowAll Vehicles
Fitment notes — PRESTONE AF3055
Prime YellowAll VehiclesExtended Life55 GAL DrumConcentratePrime® Extended Life All Makes All Models
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Economy

Brand Part Number Markets Notes Buy
FVP Popular MV5050GAL
🇺🇸 US 🇨🇦 CA
Extended LifeAll Makes / All Models
Fitment notes — FVP MV5050GAL
Extended LifeAll Makes / All Models1 Gallon
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PEAK BQA1GAL
🇺🇸 US 🇨🇦 CA
Blue Mountain Long LifeAll Vehicle
Fitment notes — PEAK BQA1GAL
Blue Mountain Long LifeAll Vehicle1 Gallon
The OE antifreeze color For this application Can be Red or pink.
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PRESTONE AF3100
🇺🇸 US 🇨🇦 CA
Prime Yellow - All VehiclesExtended Life
Fitment notes — PRESTONE AF3100
Prime Yellow - All VehiclesExtended Life1 Gallon
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VALVOLINE 719009
🇺🇸 US 🇨🇦 CA
Multi-Vehicle Yellow1 Gallon
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Premium

Brand Part Number Markets Notes Buy
PRESTONE Popular AF2100
🇺🇸 US 🇨🇦 CA
All Vehicles10yr/300k mi
Fitment notes — PRESTONE AF2100
All Vehicles10yr/300k mi1 GallonExtended Life
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PEAK PKP1GAL
🇺🇸 US 🇨🇦 CA
All Vehicles Antifreeze1 Gallon
Fitment notes — PEAK PKP1GAL
All Vehicles Antifreeze1 GallonPREMIUM1 GALLON10X MORE SCALE FIGHTING INHIBITORS10 YEAR/300K MILES
The OE antifreeze color For this application Can be Red or pink.
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PEAK PXA1GAL
🇺🇸 US 🇨🇦 CA
Global Lifetime1 Gallon
Fitment notes — PEAK PXA1GAL
Global Lifetime1 Gallon
The OE antifreeze color For this application Can be Red or pink.
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PRESTONE AF6210
🇺🇸 US 🇨🇦 CA
MAX Original EquipmentAsian Red/Pink
Fitment notes — PRESTONE AF6210
MAX Original EquipmentAsian Red/PinkReady To Use 1 Gallon
(Type: Prediluted)
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PRESTONE AFMAX
🇺🇸 US 🇨🇦 CA
Max Universal1 Gallon
Fitment notes — PRESTONE AFMAX
Max Universal1 Gallon15 Year/350k Miles
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Standard Replacement

Brand Part Number Markets Notes Buy
AISIN Popular ACT002
🇺🇸 US 🇨🇦 CA
PinkHOAT
Fitment notes — AISIN ACT002
PinkHOAT
(Type: Prediluted)
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VALVOLINE Popular 675130
🇺🇸 US 🇨🇦 CA
Asian Vehicle Red1 Gallon
Fitment notes — VALVOLINE 675130
Asian Vehicle Red1 GallonPOAT
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BECK/ARNLEY 2521502
🇺🇸 US 🇨🇦 CA
Premium Extra Life Pink
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BECK/ARNLEY 2521002
🇺🇸 US 🇨🇦 CA
Premium Red
Fitment notes — BECK/ARNLEY 2521002
Premium Red
252-1502 Pink premix Can be used with or In place of Red (Type: Concentrated)
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PEAK PAR1GAL
🇺🇸 US 🇨🇦 CA
OET Asian Extended Life Red1 Gallon
Fitment notes — PEAK PAR1GAL
OET Asian Extended Life Red1 Gallon
The OE antifreeze color For this application Can be Red or pink.OE Match, This product is compatible with Asian Red and pink antifreeze.
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PENTOSIN 8115209
🇺🇸 US 🇨🇦 CA
Pentofrost A41 Gallon
Fitment notes — PENTOSIN 8115209
Pentofrost A41 GallonPink
(Type: Prediluted)
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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.

Coolant Hose / Pipe

Brand Part Number Markets Notes Buy
DAYCO 88472
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — DAYCO 88472
Molded
Pipe To ThermostatCut to Fit
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This table covers the hard pipes and extra hoses in the coolant circuit.

Coolant Level Sensor

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS FLS191
🇺🇸 US 🇨🇦 CA
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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.

Coolant Reservoir

Brand Part Number Markets Notes Buy
DORMAN Popular 603297
🇺🇸 US 🇨🇦 CA
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ULTRA-POWER Popular 603297
🇺🇸 US 🇨🇦 CA
Coolant Recovery Tank
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GPD 2411192
🇺🇸 US 🇨🇦 CA
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LARES 37856
🇺🇸 US 🇨🇦 CA
Includes Cap
Fitment notes — LARES 37856
Includes Cap
Front
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TECHPRO TO3014118
🇺🇸 US 🇨🇦 CA
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VARIOUS MFR TO3014118
🇺🇸 US 🇨🇦 CA
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This table covers the overflow / expansion tanks that hold extra coolant.

Coolant Reservoir Cap

Brand Part Number Markets Notes Buy
MOTORAD T126
🇺🇸 US 🇨🇦 CA
Standard
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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.

Cooling Fan Control Module

Brand Part Number Markets Notes Buy
GATES Popular FCM111
🇺🇸 US 🇨🇦 CA
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ACKOJA A70790003
🇺🇸 US 🇨🇦 CA
with OE No. 8925730060
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DORMAN 904601
🇺🇸 US 🇨🇦 CA
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GPD 1712246
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS RY1819
🇺🇸 US 🇨🇦 CA
Terminal Quantity: 3+2+2
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This table covers the Cooling Fan control modules.

Cooling System Tester Adapter

Brand Part Number Markets Notes Buy
GATES 31409
🇺🇸 US 🇨🇦 CA
Cooling System Pressure
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MOTORAD 3124
🇺🇸 US 🇨🇦 CA
StandardRadiator Cap Adapter
Fitment notes — MOTORAD 3124
StandardRadiator Cap Adapter
Cooling System PressureRadiator Cap Adapter
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MOTORAD 3125
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD 3125
Standard
Cooling System Pressure
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This table covers the adapters used to pressure-test this cooling system.

Radiator

Brand Part Number Markets Notes Buy
CSF Popular 3313
🇺🇸 US 🇨🇦 CA
1 RowPlastic Tank / Aluminum Core
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DENSO Popular 2213157
🇺🇸 US 🇨🇦 CA
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AGILITY 8012817
🇺🇸 US 🇨🇦 CA
with 5/8 inch Core Depth
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KOYORAD A2817
🇺🇸 US 🇨🇦 CA
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NISSENS 646812
🇺🇸 US 🇨🇦 CA
Brazed cooling fins
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OSC 2817
🇺🇸 US 🇨🇦 CA
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SPECTRA PREMIUM CU2817
🇺🇸 US 🇨🇦 CA
without Towing Package
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TYC 2817
🇺🇸 US 🇨🇦 CA
PRIMARY
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UAC RA2817C
🇺🇸 US 🇨🇦 CA
Downflow
Fitment notes — UAC RA2817C
Downflow
with Original Equipment
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UAC RA2919C
🇺🇸 US 🇨🇦 CA
Downflow
Fitment notes — UAC RA2919C
Downflow
with Value line
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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.

Radiator Cap

Locking Replacement

Brand Part Number Markets Notes Buy
MOTORAD ST37
🇺🇸 US 🇨🇦 CA
Safety LeverIndicator Markings Color: Silver
Fitment notes — MOTORAD ST37
Safety LeverIndicator Markings Color: Silver
Relief Pressure 16 lbs
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Standard Replacement

Brand Part Number Markets Notes Buy
CSF Popular 4514
🇺🇸 US
Micro, 16 psi
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GATES Popular 31412
🇺🇸 US 🇨🇦 CA
OE Type
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CALORSTAT RC0040
🇺🇸 US 🇨🇦 CA
Includes 2 sealsMetallic
Fitment notes — CALORSTAT RC0040
Includes 2 sealsMetallicDegassing function
PSI - 20.0
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MOTORAD T37
🇺🇸 US 🇨🇦 CA
StandardIncludes Hose
Fitment notes — MOTORAD T37
StandardIncludes HoseIndicator Markings Color: Red, White, Yellow
Relief Pressure 16 lbs
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SKP SK10242
🇺🇸 US 🇨🇦 CA
16 psi Pressure Rating
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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.

Radiator Drain Petcock

Brand Part Number Markets Notes Buy
DORMAN 490216
🇺🇸 US 🇨🇦 CA
PlasticScrew-In Type
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This table covers the petcocks used to drain the radiator.

Radiator Fan Assembly

Economy

Brand Part Number Markets Notes Buy
GPD Popular 2811588
🇺🇸 US 🇨🇦 CA
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ULTRA-POWER Popular 621300
🇺🇸 US 🇨🇦 CA
Sedan
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Standard Replacement

Brand Part Number Markets Notes Buy
AGILITY 6034143
🇺🇸 US 🇨🇦 CA
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FOUR SEASONS 76040
🇺🇸 US 🇨🇦 CA
Except Japan Built Vehicle
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FOUR SEASONS 76187
🇺🇸 US 🇨🇦 CA
For Vehicle Built In Japan
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TYC 621300
🇺🇸 US 🇨🇦 CA
View on
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UAC FA50447C
🇺🇸 US 🇨🇦 CA
Radiator-Condenser Fan Assembly
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VDO / CONTINENTAL FA70722
🇺🇸 US 🇨🇦 CA
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This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.

Radiator Hose

Brand Part Number Markets Notes Buy
DAYCO Popular 72320
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 72320
Curved
Lower
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GATES Popular 23046
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 23046
Molded
Upper
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CONTINENTAL 62676
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62676
Molded
Upper
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CONTINENTAL 62675
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62675
Molded
Lower
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DAYCO 72321
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 72321
Curved
Upper
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GATES 23083
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 23083
Molded
Lower
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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.

Temperature Sender / Sensor

Economy

Brand Part Number Markets Notes Buy
GPD 1712514
🇺🇸 US 🇨🇦 CA
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HOLSTEIN 2CTS0051
🇺🇸 US 🇨🇦 CA
View on
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ULTRA-POWER 5S1616
🇺🇸 US 🇨🇦 CA
View on
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UNITED MOTOR PRODUCTS CTS25
🇺🇸 US 🇨🇦 CA
Rectangular Connector
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VEMO V70720007
🇺🇸 US 🇨🇦 CA
Thread Size: M12 X 1.5Plug (Connector): 2 Pins
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Standard Replacement

Brand Part Number Markets Notes Buy
DELPHI Popular TS10289
🇺🇸 US 🇨🇦 CA
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DENSO Popular 1931000
🇺🇸 US 🇨🇦 CA
Engine Coolant Temperature Sensor
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FOUR SEASONS Popular 36424
🇺🇸 US 🇨🇦 CA
with Gauge
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STANDARD MOTOR PRODUCTS Popular TX40
🇺🇸 US 🇨🇦 CA
Rectangular Connector2 Terminal
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555 KW414
🇺🇸 US 🇨🇦 CA
Sankei 555Sender
Fitment notes — 555 KW414
Sankei 555Sender
Part Manufactured In Japan2 PinFrom 1/05
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ACDELCO D583
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO D583
Gold
Alternate Replacement Part
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ACDELCO 155986
🇺🇸 US 🇨🇦 CA
Gold
View on
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BECK/ARNLEY 1581585
🇺🇸 US 🇨🇦 CA
View on
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FACET 73323
🇺🇸 US 🇨🇦 CA
View on
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NTK EF0157
🇺🇸 US 🇨🇦 CA
View on
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STANDARD MOTOR PRODUCTS TX109
🇺🇸 US 🇨🇦 CA
View on
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WALKER PRODUCTS 2111060
🇺🇸 US 🇨🇦 CA
Sensor Only
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WELLS 5S1616
🇺🇸 US 🇨🇦 CA
Connector Shape: Rectangular
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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.

Buying Cooling System Parts for a 2005 Toyota Avalon

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 3.5L V6 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: Temperature Sender / Sensor and Coolant / Antifreeze .

Frequently Asked Questions

How many cooling system parts fit the 2005 Toyota Avalon?

Our catalog currently lists 82 cooling system parts for the 2005 Toyota Avalon across 13 subcategories and 42 brands, covering the 3.5L V6 engine. Each part is matched to the engine(s) it fits.

What are the signs of cooling system problems on a 2005 Toyota Avalon?

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 2005 Toyota Avalon 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 2005 Toyota Avalon?

Every part on this page is matched to the 3.5L V6 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 2005 Toyota Avalon

Cooling System Parts for Other Toyota Avalon 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.