HomeEmission Control > Air Injection SystemStandard Ignition AV35 Secondary Air Injection Pump Check Valve
Part #: AV35

Standard Ignition AV35 Secondary Air Injection Pump Check Valve

139 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Merkur, Mercury, and Lincoln, LTD Crown Victoria, XR4Ti, LTD, Mustang, Tempo, Thunderbird, Capri, Cougar, Grand Marquis, Marquis, Topaz, Mark VII, Bronco, F-100, F-150, F-250, F-350, Fairmont, Mark VI, Town Car, Zephyr, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline Club Wagon, Granada, Continental, Pinto, Versailles, Bobcat, and Monarch
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Overview of Standard Ignition Secondary Air Injection Pump Check Valve

The Standard Ignition AV35 Secondary Air Injection Pump Check Valve is designed to maintain proper air flow within the emission control system. This valve is compatible with various Ford, Lincoln, and Mercury models, ensuring reliable performance in your vehicle's air injection system.

  • Valve content designed for durability and precise function
  • Hose size of 1.24 inches (31.5 mm) for accurate fitment
  • Compact length of 2.8 inches for easy installation
  • Compatible with multiple Ford, Lincoln, and Mercury models including Mustang, Bronco, and Town Car
  • Part number AV35 for straightforward identification and replacement

Detailed Product Description and Attributes

The AV35 check valve from Standard Ignition is engineered to fit secondary air injection systems on select Ford, Lincoln, and Mercury vehicles. With a hose size of 1.24 inches, this valve ensures a secure connection within the air injection pump assembly. Its 2.8-inch length allows it to fit precisely without interfering with surrounding components. The valve is constructed to regulate air flow effectively, preventing backflow and supporting emission control compliance.

Compatible Vehicles and Applications

This secondary air injection pump check valve is compatible with a wide range of Ford, Lincoln, and Mercury models, including but not limited to:

  • Ford Mustang, Bronco, F-150, F-250, F-350, E-150 Econoline, and Pinto
  • Lincoln Continental, Mark VI, Mark VII, Town Car, and Versailles
  • Mercury Cougar, Grand Marquis, Monarch, and Zephyr

Use the AV35 valve to maintain proper function in the secondary air injection system of these vehicles, helping to reduce emissions and support engine performance.

Common Issues Addressed by the AV35 Check Valve

  • Prevents backflow of exhaust gases into the air injection pump
  • Maintains proper air pressure in the emission control system
  • Reduces risk of pump damage due to valve failure
  • Helps resolve emission test failures related to air injection system malfunctions
  • Supports consistent engine performance by ensuring correct air injection

Installation Notes and Tips

  • Verify hose size compatibility (1.24 inches) before installation
  • Inspect surrounding hoses and fittings for wear or damage
  • Ensure the valve is installed in the correct orientation to prevent backflow
  • Use appropriate tools to avoid damaging the valve or hoses during installation
  • Consult vehicle service manual for specific secondary air injection system procedures

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The AV35 Secondary Air Injection Pump Check Valve undergoes rigorous quality control to ensure reliable operation. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberAV35
ContentsValve
Hose Size - Inches1.24"
Hose Size - mmRefer to Inches
Length - Inches2.8"

This part fits 139 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991FordLTD Crown Victoria5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1990FordLTD Crown Victoria5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1989FordLTD Crown Victoria5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1988FordLTD Crown Victoria5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1987FordLTD Crown Victoria5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1986FordLTD3.8LV6N/AHose Nipple Both Ends; Downstream
1986FordLTD2.3LL4N/A
1986FordLTD5.8LV8N/AHose Nipple Both Ends; Downstream
1986FordMustang2.3LL4N/A
1986FordTempo2.3LL4N/A
1986FordThunderbird2.3LL4N/A
1986MercuryCapri2.3LL4N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1986MercuryCougar2.3LL4N/A
1986MercuryGrand MarquisN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1986MercuryMarquis2.3LL4N/Aw/o Tube
1986MercuryTopaz2.3LL4N/A
1985FordLTD5.0LV8N/AHose Nipple Both Ends; Downstream
1985FordLTD3.8LV6N/Aw/ High Output Engine; Hose Nipple Both Ends; Downstream
1985FordLTD2.3LL4N/A
1985FordLTD5.8LV8N/AHose Nipple Both Ends; Downstream
1985FordMustang2.3LL4N/A
1985FordMustang3.8LV6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1985FordTempo2.3LL4N/A
1985FordThunderbird5.0LV8N/ADownstream air injection pump check valve placement.
1985FordThunderbird2.3LL4N/AUpstream
1985LincolnMark VII2.4LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1985MercuryCapri5.0LV8N/Aw/ High Output Engine; Hose Nipple One End
1985MercuryCapri3.8LV6N/AHose Nipple One End
1985MercuryCapri2.3LL4N/AHose Nipple One End
1985MercuryCougarN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1985MercuryGrand Marquis5.0LV8N/ADownstream air injection pump check valve placement.
1985MercuryGrand Marquis5.8LV8N/A
1985MercuryMarquis3.8LV6N/Aw/ High Output Engine; Hose Nipple Both Ends; Downstream
1985MercuryMarquis2.3LL4N/Aw/o Tube
1985MercuryTopaz2.3LL4N/A
1984FordLTD5.8LV8N/AHose Nipple Both Ends; Downstream
1984FordLTD2.3LL4N/Aw/ High Output Engine; Hose Nipple Both Ends
1984FordLTD5.0LV8N/Aw/ High Output Engine; Hose Nipple Both Ends; Downstream
1984FordLTD3.8LV6N/Aw/ High Output Engine; Hose Nipple Both Ends; Downstream
1984FordMustang2.3LL4N/A
1984FordMustang3.8LV6N/Aw/ High Output Engine; Hose Nipple Both Ends
1984FordThunderbird5.0LV8N/Aw/ High Output Engine; Hose Nipple Both Ends
1984LincolnMark VII2.4LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1984MercuryGrand Marquis5.8LV8N/A
1984MercuryGrand Marquis5.0LV8N/ADownstream air injection pump check valve placement.
1984MercuryMarquis2.3LL4N/Aw/o Tube
1984MercuryMarquis3.8LV6N/Aw/ High Output Engine; Hose Nipple Both Ends; Downstream
1983FordBronco5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983FordF-1004.9LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983FordF-1505.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983FordF-1504.9LL6N/ANon-Threaded
1983FordF-2505.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983FordF-3505.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983FordFairmont2.3LL4N/Aw/ High Output Engine; Hose Nipple Both Ends
1983FordFairmont3.3LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983FordLTD3.3LL6N/AHose Nipple Both Ends; Downstream
1983FordLTD3.8LV6N/AHose Nipple Both Ends; Check Valve
1983FordLTD5.0LV8N/AHose Nipple Both Ends; Downstream
1983FordLTD5.8LV8N/AHose Nipple Both Ends; Downstream
1983FordLTD2.3LL4N/Aw/ High Output Engine; Hose Nipple Both Ends
1983FordMustang3.8LV6N/ACheck Valve
1983FordThunderbird5.0LV8N/ADownstream air injection pump check valve placement.
1983LincolnMark VI5.0LV8N/Aw/ High Output Engine; Hose Nipple Both Ends
1983LincolnTown Car5.0LV8N/Aw/ High Output Engine; Hose Nipple Both Ends
1983MercuryCapri3.8LV6N/AHose Nipple One End
1983MercuryCougarN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983MercuryGrand MarquisN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983MercuryMarquis3.8LV6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983MercuryMarquis3.3LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1983MercuryZephyr3.3LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordBronco5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordE-150 Econoline4.9LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordE-150 Econoline5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordE-150 Econoline5.0LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordE-150 Econoline Club Wagon5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordE-150 Econoline Club Wagon5.0LV8N/Aw/o High Output Engine; Hose Nipple Both Ends
1982FordE-150 Econoline Club Wagon4.9LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordE-250 Econoline Club Wagon7.5LV8N/ANon-Threaded
1982FordF-1004.9LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordF-1505.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordF-1504.9LL6N/ANon-Threaded
1982FordFairmont3.3LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordFairmont4.2LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordFairmont2.3LL4N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordLTD5.0LV8N/AHose Nipple Both Ends; Downstream
1982FordLTD4.2LV8N/AHose Nipple Both Ends; Downstream
1982FordLTD5.8LV8N/AHose Nipple Both Ends; Downstream
1982FordMustang4.2LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordMustang3.3LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordMustang2.3LL4N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982FordThunderbird4.2LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982LincolnContinental3.8LV6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982LincolnMark VI5.0LV8N/Aw/ High Output Engine; Hose Nipple Both Ends
1982LincolnTown Car5.0LV8N/Aw/ High Output Engine; Hose Nipple Both Ends
1982MercuryCougarN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982MercuryGrand Marquis4.2LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982MercuryMarquisN/Aw/ High Output Engine; Hose Nipple Both Ends
1982MercuryZephyr4.2LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1982MercuryZephyr2.3LL4N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordE-150 Econoline4.9LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordE-150 Econoline5.0LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordE-150 Econoline5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordE-150 Econoline Club Wagon4.9LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordE-150 Econoline Club Wagon5.0LV8N/Aw/o High Output Engine; Hose Nipple Both Ends
1981FordE-150 Econoline Club Wagon5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordE-250 Econoline Club Wagon7.5LV8N/ANon-Threaded
1981FordF-1004.9LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordF-1504.9LL6N/ANon-Threaded
1981FordFairmont2.3LL4N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordFairmont4.2LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordFairmont3.3LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordLTD5.0LV8N/AHose Nipple Both Ends; Downstream
1981FordLTD4.2LV8N/AHose Nipple Both Ends; Downstream
1981FordLTD5.8LV8N/AHose Nipple Both Ends; Downstream
1981FordThunderbird5.0LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordThunderbird4.2LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981FordThunderbird3.3LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981MercuryCougarN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1981MercuryMarquisN/Aw/ High Output Engine; Hose Nipple Both Ends
1980FordFairmont2.3LL4N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1980FordFairmont4.2LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1980FordFairmont3.3LL6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1980FordLTD5.8LV8N/AHose Nipple Both Ends; Downstream
1980FordLTD5.0LV8N/AHose Nipple Both Ends; Downstream
1980FordMustang2.3LL4N/A
1980FordPintoN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1980LincolnMark VI5.8LV8N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1980LincolnVersailles5.0LV8N/Aw/ High Output Engine; Hose Nipple Both Ends
1980MercuryBobcat2.3LL4N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1980MercuryCougarN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1980MercuryMarquisN/Aw/ High Output Engine; Hose Nipple Both Ends
1980MercuryMonarchN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1980MercuryZephyrN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1979FordLTD5.8LV8N/AHose Nipple Both Ends; Downstream
1979FordMustang2.8LV6N/AOE No.D9AZ-9A487C; w/ Federal Emissions
1979FordPintoN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1979MercuryBobcat2.8LV6N/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends
1979MercuryCapri2.8LV6N/AOE No.D9AZ-9A487C
1979MercuryMarquisN/ASecondary Air Injection Pump Check Valve with Hose Nipple Both Ends

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

17027174-2391A30212-1172214-116773-1523779-2950CV29CX385D9AE9A487CADVVA3

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.