{
    "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
}
1991 Mercury Topaz
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
1991 Mercury Topaz

1991 Mercury Topaz MAP Sensors

Refine by:
See All

Shop Catalog

Showing 1 - 15 of 30 results
Display item:
15
30
45
Sort by:
MAP Sensor
Replacement
MAP Sensor
Part Number: REPF315201
Guaranteed to Fit
$12.49
Vehicle Fitment
  • 1991 Mercury Topaz LTS 4 Cyl 2.3L
  • 1991 Mercury Topaz LS 4 Cyl 2.3L
  • 1991 Mercury Topaz LTS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 4 Cyl 2.3L
  • 1991 Mercury Topaz LS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport 4 Cyl 2.3L
Product Details
Configuration : 3-Prong Blade Male Terminal; Female ConnectorQuantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Phthalates, 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 : AS1, 7021, 18010, 31408, 31413, 74335, 145205, 145209, 213770, 219002, 319002, 721556, 2251007, 009403321, 12364363, 22591007, 145209X, 2MS22, 4H4, 5S1155, 5S2440, AS1T, AU2Z9F479A, AU2Z9F479A, BA0001, CX2403, DY503, DY520, DY527, DY532, E43F9F479A1A, E43F9F479A2A, E43F9F479AA, E43F9F479B1A, E43F9F479B2A, E43F9F479BA, E43F9F479A1A, E43F9F479A2A, E43F9F479AA, E43F9F479B1A, E43F9F479B2A, E43F9F479BA, E43Z9F479A, E43Z9F479A, E43Z9F479B, E4OZ9F479B, E57F9F479A1A, E57F9F479A2A, E57F9F479A1AReplaces OE Number : 7021, 18010, 31408, 31413, 74335, 145205, 145209, 213770, 219002, 319002, 721556, 2251007, 009403321, 12364363, 22591007, 145209X, 2MS22, 4H4, 5S1155, 5S2440, AS1T, AU2Z9F479A, AU2Z9F479A, BA0001, CX2403, DY503, DY520, DY527, DY532, E43F9F479A1A, E43F9F479A2A, E43F9F479AA, E43F9F479B1A, E43F9F479B2A, E43F9F479BA, E43F9F479A1A, E43F9F479A2A, E43F9F479AA, E43F9F479B1A, E43F9F479B2A, E43F9F479BA, E43Z9F479A, E43Z9F479A, E43Z9F479B, E4OZ9F479B, E57F9F479A1A, E57F9F479A2A, E57F9F479A1A, E57F9F479A2AReturns Policy : 30-Day Return Policy
MAP Sensor, Sport AWD/Sport/XR5 AWD/XR5/LTS AWD/LS/GS AWD/LTS/LS AWD/GS Models -
Walker Products®
MAP Sensor, Sport AWD/Sport/XR5 AWD/XR5/LTS AWD/LS/GS AWD/LTS/LS AWD/GS Models -
Part Number: 2251007
Guaranteed to Fit
$42.49
Vehicle Fitment
  • 1991 Mercury Topaz LTS 4 Cyl 2.3L
  • 1991 Mercury Topaz LS 4 Cyl 2.3L
  • 1991 Mercury Topaz LTS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 4 Cyl 2.3L
  • 1991 Mercury Topaz LS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport 4 Cyl 2.3L
Product Details
Notes : (1) Female Rectangular Connector; (3) Male Blade TerminalsQuantity Sold : Sold individuallyWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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.

MAP Sensor
GPD®
MAP Sensor
Part Number: GPD1811578
Guaranteed to Fit
$30.49
Vehicle Fitment
  • 1991 Mercury Topaz LTS 4 Cyl 2.3L
  • 1991 Mercury Topaz LS 4 Cyl 2.3L
  • 1991 Mercury Topaz LTS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 4 Cyl 2.3L
  • 1991 Mercury Topaz LS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport 4 Cyl 2.3L
Product Details
Quantity Sold : Sold individuallyWarranty : 1 year GPD 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.

MAP Sensor -
WAI®
MAP Sensor -
Part Number: WAIMAP1201
Guaranteed to Fit
$31.99
Vehicle Fitment
  • 1991 Mercury Topaz All Submodels All Engines
Product Details
Quantity Sold : Sold individuallyWarranty : WAI 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.

Interchange Part Number : AS1, MP104Replaces OE Number : AS1, MP104
MAP Sensor, Sport AWD/XR5/XR5 AWD/Sport/LS AWD/LS/GS/LTS/GS AWD/LTS AWD Models -
Walker Products®
MAP Sensor, Sport AWD/XR5/XR5 AWD/Sport/LS AWD/LS/GS/LTS/GS AWD/LTS AWD Models -
Part Number: 22591007
Guaranteed to Fit
$55.49
Vehicle Fitment
  • 1991 Mercury Topaz LTS 4 Cyl 2.3L
  • 1991 Mercury Topaz LS 4 Cyl 2.3L
  • 1991 Mercury Topaz LTS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 4 Cyl 2.3L
  • 1991 Mercury Topaz LS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport 4 Cyl 2.3L
Product Details
Notes : (1) Female Rectangular Connector; (3) Male Blade TerminalsQuantity Sold : Sold individuallyWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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.

MAP Sensor, LTS AWD/Sport/LTS/LS/LS AWD/GS/GS AWD/XR5 AWD/Sport AWD/XR5 Models -
Standard®
MAP Sensor, LTS AWD/Sport/LTS/LS/LS AWD/GS/GS AWD/XR5 AWD/Sport AWD/XR5 Models -
Part Number: SIAS1
Guaranteed to Fit
$54.49
Vehicle Fitment
  • 1991 Mercury Topaz LTS 4 Cyl 2.3L
  • 1991 Mercury Topaz LS 4 Cyl 2.3L
  • 1991 Mercury Topaz LTS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 4 Cyl 2.3L
  • 1991 Mercury Topaz LS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport 4 Cyl 2.3L
Product Details
Configuration : 3-Prong Male Blade Terminal; Female ConnectorQuantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard 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.

Series : Standard OE ReplacementInterchange Part Number : REPF315201, 7021, 18010, 31408, 31413, 74335, 145205, 145209, 213770, 219002, 319002, 721556, 2251007, 009403321, 12364363, 22591007, 145209X, 2MS22, 4H4, 5S1155, 5S2440, AS1T, AU2Z9F479A, AU2Z9F479A, BA0001, CX2403, DY503, DY520, DY527, DY532, E43F9F479A1A, E43F9F479A2A, E43F9F479AA, E43F9F479B1A, E43F9F479B2A, E43F9F479BA, E43F9F479A1A, E43F9F479A2A, E43F9F479AA, E43F9F479B1A, E43F9F479B2A, E43F9F479BA, E43Z9F479A, E43Z9F479A, E43Z9F479B, E4OZ9F479B, E57F9F479A1A, E57F9F479A2A, E57F9F479A1AReplaces OE Number : 7021, 18010, 31408, 31413, 74335, 145205, 145209, 213770, 219002, 319002, 721556, 2251007, 009403321, 12364363, 22591007, 145209X, 2MS22, 4H4, 5S1155, 5S2440, AS1T, AU2Z9F479A, AU2Z9F479A, BA0001, CX2403, DY503, DY520, DY527, DY532, E43F9F479A1A, E43F9F479A2A, E43F9F479AA, E43F9F479B1A, E43F9F479B2A, E43F9F479BA, E43F9F479A1A, E43F9F479A2A, E43F9F479AA, E43F9F479B1A, E43F9F479B2A, E43F9F479BA, E43Z9F479A, E43Z9F479A, E43Z9F479B, E4OZ9F479B, E57F9F479A1A, E57F9F479A2A, E57F9F479A1A, E57F9F479A2A
MAP Sensor -
Delphi®
MAP Sensor -
Part Number: DELPS10242
Guaranteed to Fit
$49.49
Vehicle Fitment
  • 1991 Mercury Topaz LTS 4 Cyl 2.3L
  • 1991 Mercury Topaz LS 4 Cyl 2.3L
  • 1991 Mercury Topaz LTS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 4 Cyl 2.3L
  • 1991 Mercury Topaz LS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport 4 Cyl 2.3L
Product Details
Quantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile Delphi 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.

MAP Sensor, GS AWD/LTS AWD/Sport/LTS/LS/LS AWD/XR5 AWD/GS/Sport AWD/XR5 Models -
Standard®
MAP Sensor, GS AWD/LTS AWD/Sport/LTS/LS/LS AWD/XR5 AWD/GS/Sport AWD/XR5 Models -
Part Number: SIAS1T
Guaranteed to Fit
$49.99
Vehicle Fitment
  • 1991 Mercury Topaz LTS 4 Cyl 2.3L
  • 1991 Mercury Topaz LS 4 Cyl 2.3L
  • 1991 Mercury Topaz LTS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 4 Cyl 2.3L
  • 1991 Mercury Topaz LS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport 4 Cyl 2.3L
Product Details
Configuration : 3-Prong Male Blade Terminal; Female ConnectorQuantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile Standard 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.

Series : Standard OE Replacement
MAP Sensor, 4 Cyl., 2.3L Engine -
Motorcraft®
MAP Sensor, 4 Cyl., 2.3L Engine -
Part Number: MICX2403
Guaranteed to Fit
$78.49
Vehicle Fitment
  • 1991 Mercury Topaz LTS 4 Cyl 2.3L
  • 1991 Mercury Topaz LS 4 Cyl 2.3L
  • 1991 Mercury Topaz LTS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 4 Cyl 2.3L
  • 1991 Mercury Topaz LS AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz XR5 AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport AWD 4 Cyl 2.3L
  • 1991 Mercury Topaz GS 4 Cyl 2.3L
  • 1991 Mercury Topaz Sport 4 Cyl 2.3L
Product Details
Quantity Sold : Sold individuallyWarranty : 2-year or unlimited-mile Motorcraft 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.

Series : Motorcraft OE ReplacementReplaces OE Number : AU2Z9F479A
MAP Sensor
MSD®
MAP Sensor
Part Number: M4623131
Universal Fit
$169.95
Product Details
Notes : Designed for Programmable Digital-7 Series Ignitions; Applications up to 30 lbs. of Boost; 2psi-44psi, Three-BarQuantity Sold : Sold individuallyWarranty : 1-year MSD 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.

Recommended Use : PerformanceProduct Fit : May Require Minor Modification
MAP Sensor
AEM®
MAP Sensor
Part Number: A1830213150
Universal Fit
$82.55
Product Details
Quantity Sold : KitWarranty : 1-year AEM 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.

Recommended Use : PerformanceProduct Fit : May Require Minor Modification
MAP Sensor
AEM®
MAP Sensor
Part Number: A1830213175
Universal Fit
$84.65
Product Details
Quantity Sold : KitWarranty : 1-year AEM 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.

Recommended Use : PerformanceProduct Fit : May Require Minor Modification
MAP Sensor
AEM®
MAP Sensor
Part Number: A18302131150
Universal Fit
$71.69
Product Details
Quantity Sold : KitWarranty : 1-year AEM 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.

Recommended Use : PerformanceProduct Fit : May Require Minor Modification
MAP Sensor
AEM®
MAP Sensor
Part Number: A18302131100
Universal Fit
$78.89
Product Details
Notes : To the manifoldQuantity Sold : KitWarranty : 1-year AEM 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.

Recommended Use : PerformanceProduct Fit : May Require Minor Modification
MAP Sensor
Holley®
MAP Sensor
Part Number: H19554120
Universal Fit
$103.95
Product Details
Quantity Sold : Sold individuallyWarranty : Lifetime Holley 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.

Specialty Part : Performance Part by JCWRecommended Use : PerformanceProduct Fit : Universal
Page 1 of 2 | Showing 1 - 15 of 30 results

Top Rated Products

Replacement MAP Sensor
$12.49( Review)
Excellent service very satisfied
Tim J.
VERIFIED PURCHASER
MSD MAP Sensor
$169.95( Review)
This one got deliver twice to the wrong apt
Alphanso G.
VERIFIED PURCHASER

Popular Products

Helpful Automotive Resources

P2187 Code: System too Lean at Idle (Bank 1)
P2187 Code: System too Lean at Idle (Bank 1)Note that there is only one bank if your car has a straight engine and the scan tool will always refer to that bank as “Bank 1.” P2187 code indicates that your vehicle’s computer detected a potential issue with the fuel mixture at idle.
P012d Code: Turbo / Supercharger Inlet Pressure Sensor Circuit High
P012d Code: Turbo / Supercharger Inlet Pressure Sensor Circuit HighTurbochargers and superchargers increase the pressure in the intake manifold. This pulls additional air into the combustion chamber to help boost engine power. Both turbo and superchargers have an inlet where filtered air gets in. The vehicle’s powertrain control module (PCM) uses this inlet pressure sensor to monitor and regulate
How to Check if Your MAP Sensor is Bad
How to Check if Your MAP Sensor is Bad Pro Tip: You can access the MAP sensor input using a scan tool and if you suspect a bad sensor, an A-B-A swap while watching the datastream on the tool is a good method. Make sure you clear the
P0109 Code: MAP / BARO Sensor Circuit Intermittent
P0109 Code: MAP / BARO Sensor Circuit IntermittentThe two sensors typically refer to the same type of sensor. The only difference is that a MAP sensor is usually connected to the manifold, while a BARO sensor is vented directly to the atmosphere. The two sensors are often integrated into a single sensor.