{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2003 Audi A6 Quattro
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2003 Audi A6 Quattro

2003 Audi A6 Quattro Thermostats

Refine by:

Shop Catalog

Showing 1 - 15 of 21 results
Display item:
15
30
45
Sort by:
Thermostat - Replaces OE Number 078 121 113 F
Vemo®
Thermostat - Replaces OE Number 078 121 113 F
Part Number: Z8YV15991990
Guaranteed to Fit
$9.15
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 6 Cyl 2.7L With Gasket
Product Details
Notes : 50 mm Height; 60 mm Length; 65 mm WidthReplaces OE Number : 067121113, 075121113A, 075121113C, 076121113, 077121113, 077121113B, 077121113C, 077121113D, 078121113, 078121113B, 078121113C, 078121113CS, 078121113D, 078121113F, 078121113FS, 078121113FS2, 078121113FS3, 078121113J, 079121111J, 67121113, 75121113A, 75121113C, 76121113, 77121113, 77121113B, 77121113C, 77121113D, 7712111113, 78121113, 78121113C, 78121113CS, 78121113D, 78121113F, 78121113FS, 78121113FS2, 78121113FS3, 78121113J, 7812111113, 79121111J, 1309786, 1311654, 1721002, 11531309786Quantity Sold : Sold individuallyWarranty : 24-month or 24,000-mile Vemo limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Deals : OverstockPromotions : European Vehicle PartsInterchange Part Number : 067121113, 075121113A, 075121113C, 076121113, 077121113, 077121113B, 077121113C, 077121113D, 078121113, 078121113B, 078121113C, 078121113CS, 078121113D, 078121113F, 078121113FS, 078121113FS2, 078121113FS3, 078121113J, 079121111J, 67121113, 75121113A, 75121113C, 76121113, 77121113, 77121113B, 77121113C, 77121113D, 7712111113, 78121113, 78121113C, 78121113CS, 78121113D, 78121113F, 78121113FS, 78121113FS2, 78121113FS3, 78121113J, 7812111113, 79121111J, 1309786, 1311654, 1721002, 11531309786Recommended Use : OE Replacement
Thermostat
Stant®
Thermostat
Part Number: ST48049
Guaranteed to Fit
$29.49
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 8 Cyl 4.2L GAS
  • 2003 Audi A6 Quattro Base 6 Cyl 2.7L GAS
Product Details
Quantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : Stainless SteelRecommended Use : OE Replacement
Thermostat
Stant®
Thermostat
Part Number: ST14099
Guaranteed to Fit
$28.99
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 8 Cyl 4.2L GAS, Temperature 198 Degrees
Product Details
Quantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : REPE318001Material : Stainless SteelRecommended Use : OE Replacement
Thermostat
Mahle Behr®
Thermostat
Part Number: MHB06C121111E
Guaranteed to Fit
$60.49
Vehicle Fitment
  • 2003 Audi A6 Quattro Avant All Engines
  • 2003 Audi A6 Quattro Base 6 Cyl 3.0L
Product Details
Quantity Sold : Sold individuallyWarranty : 24-month limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Engine Coolant Thermostat - Mahle Behr 078121113F
Mahle®
Engine Coolant Thermostat - Mahle Behr 078121113F
Part Number: MAHTX3087D
Guaranteed to Fit
$26.99
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 6 Cyl 2.7L Insert-Type Thermostat; Start to Open Temperature 87 C; Alternate Temperature
Product Details
Notes : 55.5 mm HeightReplaces OE Number : 33975, 48049, 304192, 214587312, 078121113F, 423688D, TX3087DQuantity Sold : Sold individuallyWarranty : 1-year Mahle limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsOpening Temperature Rating : 87 degrees CInterchange Part Number : 33975, 48049, 304192, 214587312, 078121113F, 423688D, TX3087DRecommended Use : OE ReplacementProduct Fit : Direct Fit
Thermostat - Mahle Behr 077121113D
Mahle®
Thermostat - Mahle Behr 077121113D
Part Number: MAHTX3482D
Guaranteed to Fit
$30.99
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 8 Cyl 4.2L Insert-Type Thermostat; Start to Open Temperature 82 C; Alternate Temperature
Product Details
Notes : 55.5 mm HeightReplaces OE Number : 33069, 48049, 304192, 216182312, 077121113C, TX3482DQuantity Sold : Sold individuallyWarranty : 1-year Mahle limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsOpening Temperature Rating : 82 degrees CInterchange Part Number : 33069, 48049, 304192, 216182312, 077121113C, TX3482DRecommended Use : OE ReplacementProduct Fit : Direct Fit
Thermostat
Motorad®
Thermostat
Part Number: MRD304-192
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 8 Cyl 4.2L Temperature 192F; Oe Specified Temperature
  • 2003 Audi A6 Quattro Base 6 Cyl 2.7L Temperature 192F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 192 degreesRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD466-198
Guaranteed to Fit
$14.99
Vehicle Fitment
  • 2003 Audi A6 Quattro Avant 6 Cyl 3.0L Temperature 198F; Oe Specified Temperature
  • 2003 Audi A6 Quattro Base 6 Cyl 3.0L Temperature 198F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 198 degreesRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT33069
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 8 Cyl 4.2L GAS, 190 Degree
Product Details
Notes : 1.7 in. by-pass flange diameter; 1.03 in. depth from flange; 2.63 in. flange diameter; 1.09 in. H from flange; With (1) check valve; Bottom by-pass design; OE type thermostatQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 190 DegreesSeries : Gates OE ReplacementMaterial : Stainless SteelRecommended Use : OE Replacement
Thermostat
Mahle Behr®
Thermostat
Part Number: MHB078121113F
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 6 Cyl 2.7L
Product Details
Quantity Sold : Sold individuallyWarranty : 24-month limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Thermostat
Facet®
Thermostat
Part Number: FAC78410
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 6 Cyl 2.7L
Product Details
Replaces OE Number : 078121113F, 077121113, 078121113C, 078121113D, 78121113Quantity Sold : Sold individuallyWarranty : Facet limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 87 degrees CInterchange Part Number : 078121113F, 077121113, 078121113C, 078121113D, 78121113Material : MetalRecommended Use : OE ReplacementProduct Fit : Direct Fit
Thermostat
Mahle Behr®
Thermostat
Part Number: MHB077121113D
Guaranteed to Fit
$18.99
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 8 Cyl 4.2L
Product Details
Quantity Sold : Sold individuallyWarranty : 24-month limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Fail-Safe Series Thermostat
Motorad®
Fail-Safe Series Thermostat
Part Number: MRD7304-192
Guaranteed to Fit
$24.49
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 8 Cyl 4.2L Temperature 192F; Oe Specified Temperature
  • 2003 Audi A6 Quattro Base 6 Cyl 2.7L Temperature 192F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 192 degrees FSeries : Fail-Safe SeriesRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Motorad®
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7304-170
Guaranteed to Fit
$21.49
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 8 Cyl 4.2L Temperature 170F; Alternate Temperature Option
  • 2003 Audi A6 Quattro Base 6 Cyl 2.7L Temperature 170F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 170 degreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
Thermostat
Mahle®
Thermostat
Part Number: MAHTX3487D
Guaranteed to Fit
$31.49
Vehicle Fitment
  • 2003 Audi A6 Quattro Base 8 Cyl 4.2L Oe Temperature
Product Details
Notes : 55.5 mm HeightQuantity Sold : Sold individuallyWarranty : 1-year Mahle limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsOpening Temperature Rating : 87 degrees CRecommended Use : OE Replacement
Page 1 of 2 | Showing 1 - 15 of 21 results

Top Rated Products

Stant Thermostat
$29.49( Review)
Fits perfectly came right on time
Michael D.
VERIFIED PURCHASER
Mahle Behr Thermostat
$60.49( Review)
The part is an exact fit and is of good quality. It looks exactly like the original See More
Ricky G.
VERIFIED PURCHASER
Stant Thermostat
$28.99( Review)
Good quality.Fits perfect on 96 Audi cabriolet,you cant go wrong with this thermostatSee More
Anonymous
VERIFIED PURCHASER

Popular Products

Helpful Automotive Resources

P0597 Code: Thermostat Heater Control Circuit / Open
P0597 Code: Thermostat Heater Control Circuit / OpenDiagnostic trouble code (DTC) P0597 code stands for “Thermostat Heater Control Circuit/Open.”
What Does It Mean When the Engine Is Hot While the AC Is Off?
What Does It Mean When the Engine Is Hot While the AC Is Off?If you’re wondering how your engine gets so hot even if the air conditioning is off, then there are many explanations as to why. Usually, it’s due to a lack of coolant. In other cases, the culprit for an overheating engine is broken parts. Here are some of the potential
What Does Check Gauges Mean?
What Does Check Gauges Mean?The check gauge light is usually triggered once the PCM detects something reading that’s outside normal parameters. These readings include: Coolant TemperatureEngine RPMFuel LevelOil PressureTransmission temperatureTire PressureWheel SpeedVoltmeter Common Triggers of the Check Gauges Light
What Causes a Car to Overheat When Idling?
What Causes a Car to Overheat When Idling?Leaving your AC running may contribute to this problem because the car’s AC forces the engine to work harder. These factors combined can make the engine overheat very quickly. A simple solution would be to turn off the AC in hopes of lowering the temperature of the engine, but if
Why Is My Car Heater Not Blowing Hot Air?
Why Is My Car Heater Not Blowing Hot Air?The heater core distributes heat, blowing it into the air with a blower fan. In many ways, you could compare the heater core to a radiator because they are both heat exchangers. Damaged heater cores often go hand in hand with coolant problems.
Where Is the Thermostat Located?
Where Is the Thermostat Located?Have you driven your vehicle recently? Because if the answer’s yes, you’ll want to turn off the engine and let it cool down before trying to access the thermostat. This is because you’ll have to unclamp your radiator hose and drain your coolant before you can get to your thermostat.