Walker 270-1146 Mass Air Flow Sensor Connector

Brand Walker 270-1146
Wiring Harness Length 250.00
Terminal Type Pin
Terminal Quantity 4
Terminal Gender Male
Fits Ford, Lincoln, and Mercury · 56 vehicles

OE replacement. Exact-fit connector repairs damaged wiring without modifying mating components.

Factory-style housing. Molded OE-style connector body helps restore a secure, reliable electrical connection.

Copper wire leads. Pre-terminated leads use copper wire and insulation for heat, oil, and chemical resistance.

$21.11Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $21.11
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Mass Air Flow Sensor Connector

Walker 270-1146 is an OE replacement mass air flow sensor connector built to restore a damaged or heat-worn wiring connection. It uses a molded OE-style housing with pre-terminated leads for a factory-style repair on Ford, Lincoln, and Mercury applications.

With a 4-pin male terminal design and copper wire construction, this Walker pigtail is made for reliable electrical contact in high-heat engine bay conditions. It is a direct-fit repair solution for vehicles such as the Ford Mustang, Ford Taurus, and Mercury Sable.

Key Features

  • Part number: 270-1146
  • Mass air flow sensor connector / electrical pigtail
  • 4-pin male terminal configuration
  • Pre-terminated leads for repair work
  • Molded OE-style connector housing
  • Copper wire and insulation built to OE specifications for current capacity, flexibility, heat resistance, oil resistance, and chemical resistance
  • Direct repair for damaged, corroded, or heat-degraded connector ends

Detailed Description

Walker 270-1146 is engineered as an OE replacement connector for mass air flow sensor wiring repairs. It restores the electrical link between the sensor and harness without modifying the mating component, making it a practical choice for drivability diagnostics and emissions-related repairs. This connector is listed for a wide range of Ford, Lincoln, and Mercury vehicles from 1989 through 1995, including Ford Aerostar, Ford Ranger, Ford Mustang, Lincoln Mark VIII, and Mercury Tracer applications.

This part cross-references OE-style repair needs for the same application and is commonly selected when the original connector housing, terminals, or leads have been damaged by corrosion, vibration, or underhood heat. Walker 270-1146 supports standard crimp or solder repair methods for a clean harness restoration.

Common Repair Uses

  • Broken or cracked mass air flow sensor connector housing
  • Corroded or loose terminal contact at the MAF sensor
  • Heat-damaged wiring near the engine bay
  • Intermittent sensor signal caused by worn connector leads
  • Emissions or drivability faults traced to connector failure

Installation Notes and Tips

Fits 1990-1993 Ford Mustang, N/A; Fits 1991-1995 Ford Taurus, N/A; Fits 1991-1993 Mercury Sable, N/A; Fits 1992-1994 Ford Tempo, N/A; Fits 1992-1994 Mercury Topaz, N/A; Fits 1991-1993 Ford Escort, N/A; Fits 1991-1993 Mercury Tracer, N/A; Fits 1990-1991 Ford LTD Crown Victoria, N/A; Fits 1990-1991 Mercury Colony Park, N/A; Fits 1990-1991 Mercury Grand Marquis, N/A; Fits 1989-1990 Ford Thunderbird, N/A; Fits 1989-1990 Mercury Cougar, N/A; Fits 1990 Ford Ranger, N/A; Fits 1991 Ford Ranger, N/A; Fits 1992 Ford Ranger, N/A; Fits 1990 Ford Bronco II, N/A; Fits 1990 Lincoln Town Car, N/A; Fits 1993-1995 Lincoln Mark VIII, N/A; Fits 1992 Ford Aerostar, N/A; Fits 1993-1994 Ford Aerostar, N/A; Fits 1995 Ford Aerostar, N/A; Fits 1995 Ford Windstar, N/A.

Use standard crimp or solder repair methods and verify terminal orientation before final connection. Match the connector to the existing sensor plug and inspect the harness for heat damage or corrosion before completing the repair.

Quality Assurance

Walker electrical pigtails are built as OE replacement components with factory-style housings and OE-spec wire materials for dependable electrical repair. The design focuses on restoring a secure connection at the sensor interface for long-term harness reliability.

This part fits 56 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypeNotes
1995FordAerostar3.0LV6W ID# F27Z 12B579-AA
1995FordTaurus3.0LV6FLEX
1995FordWindstar3.8LV6
1995LincolnMark VIII4.6LV8
1994FordAerostar3.0LV6Stamped # F2TZ12B579B
1994FordTaurus3.0LV6FLEX
1994FordTempo3.0LV6
1994FordTopaz2.3LL4
1994LincolnMark VIII4.6LV8
1994MercuryTopaz3.0LV6
1993FordAerostar3.0LV6Stamped # F2TZ12B579B
1993FordEscortLX1.9LL4
1993FordMustang2.3LL4
1993FordTaurus3.0LV6
1993FordTempo3.0LV6
1993FordTopaz2.3LL4
1993LincolnMark VIII4.6LV8
1993MercurySable3.0LV6
1993MercuryTopaz3.0LV6
1993MercuryTracer1.9LL4
1992FordAerostar3.0LV6
1992FordEscort1.9LL4
1992FordMustang2.3LL4
1992FordRanger3.0LV6
1992FordTaurus3.0LV6
1992FordTempo3.0LV6
1992FordTopaz2.3LL4
1992MercurySable3.0LV6
1992MercuryTopaz3.0LV6
1992MercuryTracer1.9LL4
1991FordAerostar3.0LV6Stamped #F0VF12B579AA
1991FordCountry Squire5.0LV8
1991FordEscort1.9LL4
1991FordLTD Crown Victoria5.0LV8
1991FordMustang2.3LL4
1991FordRanger3.0LV6w/ OE # F0VF12B579AA
1991FordTaurus3.0LV6
1991FordTopaz2.3LL4
1991MercuryColony Park5.0LV8
1991MercuryGrand Marquis5.0LV8
1991MercurySable3.0LV6
1991MercuryTracer1.9LL4
1990FordAerostar3.0LV6Stamped #F0VF12B579AA
1990FordBronco II2.9LV6
1990FordCountry Squire5.0LV8
1990FordLTD Crown Victoria5.0LV8
1990FordMustang2.3LL4
1990FordRanger2.9LV6
1990FordThunderbird3.8LV6
1990FordTopaz2.3LL4
1990LincolnTown Car5.0LV8
1990MercuryColony Park5.0LV8
1990MercuryCougar3.8LV6
1990MercuryGrand Marquis5.0LV8
1989FordThunderbird3.8LV6
1989MercuryCougar3.8LV6