Fel-Pro 61785 Fuel Injection Throttle Body Mounting Gasket

Brand Fel-Pro 61785
Grade Type Premium
Fits INFINITI and Nissan · 77 vehicles

Throttle body gasket. Application-specific materials deliver dependable sealing performance.

Premium grade. Trusted by professionals for sealing durability.

Cross-references 16175JK21A and 16175JR21A for the same application. See all 2.

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Fel-Pro 61785 Fuel Injection Throttle Body Gasket

Fel-Pro 61785 is a premium fuel injection throttle body mounting gasket built for direct-fit sealing on select Nissan and INFINITI applications. It is made with application-specific materials to deliver consistent sealing performance for the throttle body mounting surface.

Key Features

  • Premium-grade throttle body mounting gasket
  • Application-specific sealing material for the intended engine interface
  • Supports 100% vehicle sealing at the throttle body mounting point
  • Direct replacement for select Nissan 370Z and INFINITI VQ-series applications
  • Fel-Pro 61785 cross-references OE-style part numbers 16175JK21A and 16175JR21A

Detailed Description

Fel-Pro 61785 is a fuel injection throttle body mounting gasket for vehicles including the Nissan 370Z and INFINITI Q50, Q70, Q70L, QX50, QX70, Q60, G37, G35, EX35, EX37, FX35, FX37, FX70, M35, M35h, M37, Q40, and QX50 applications listed in the fitment data. The premium construction is intended to maintain a reliable seal between the throttle body and intake assembly, helping preserve proper airflow and reduce sealing-related issues. If you are replacing a worn throttle body gasket on a 2007-2020 Nissan 370Z or a 2008-2018 INFINITI G37/Q50 application, Fel-Pro 61785 provides a direct-service solution.

What It Helps Address

  • Air leaks at the throttle body mounting surface
  • Rough idle caused by sealing loss
  • Throttle body service after intake cleaning or replacement
  • Vacuum-related drivability complaints tied to gasket wear
  • Reassembly after throttle body removal on Nissan and INFINITI VQ applications

Installation Notes and Tips

  • Clean both mating surfaces before installation.
  • Inspect the throttle body and intake flange for damage or carbon buildup.
  • Follow the vehicle service procedure and torque specifications for the application.
  • Verify fitment by year, make, and model before installation.

Quality Assurance

Fel-Pro gaskets are engineered for vehicle-specific sealing performance using materials selected for the application. Fel-Pro 61785 is a premium gasket designed for dependable sealing in the listed Nissan and INFINITI fitments.

This part fits 77 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2020Nissan370Z3.7LV6N/A
2019INFINITIQ703.7LV6N/A
2019INFINITIQ70L3.7LV6N/A
2019Nissan370Z3.7LV6N/A
2018INFINITIQ503.5LV6N/A
2018INFINITIQ703.7LV6N/A
2018INFINITIQ703.5LV6N/A
2018INFINITIQ70L3.7LV6N/A
2018Nissan370Z3.7LV6N/A
2017INFINITIQ503.5LV6N/A
2017INFINITIQ703.7LV6N/A
2017INFINITIQ703.5LV6N/A
2017INFINITIQ70L3.7LV6N/A
2017INFINITIQX503.7LV6N/A
2017INFINITIQX703.7LV6N/A
2017Nissan370Z3.7LV6N/A
2016INFINITIQ503.5LV6N/A
2016INFINITIQ703.7LV6N/A
2016INFINITIQ703.5LV6N/A
2016INFINITIQ70L3.7LV6N/A
2016INFINITIQX503.7LV6N/A
2016INFINITIQX703.7LV6N/A
2016Nissan370Z3.7LV6N/A
2015INFINITIQ403.7LV6N/A
2015INFINITIQ503.7LV6N/A
2015INFINITIQ503.5LV6N/A
2015INFINITIQ603.7LV6N/A
2015INFINITIQ703.7LV6N/A
2015INFINITIQ703.5LV6N/A
2015INFINITIQ70L3.7LV6N/A
2015INFINITIQX503.7LV6N/A
2015INFINITIQX703.7LV6N/A
2015Nissan370Z3.7LV6N/A
2014INFINITIQ503.7LV6N/A
2014INFINITIQ503.5LV6N/A
2014INFINITIQ603.7LV6N/A
2014INFINITIQ703.7LV6N/A
2014INFINITIQ703.5LV6N/A
2014INFINITIQX503.7LV6N/A
2014INFINITIQX703.7LV6N/A
2014Nissan370Z3.7LV6N/A
2013INFINITIEX373.7LV6N/A
2013INFINITIFX373.7LV6N/A
2013INFINITIG373.7LV6N/A
2013INFINITIM35h3.5LV6N/A
2013INFINITIM373.7LV6N/A
2013Nissan370Z3.7LV6N/A
2012INFINITIEX353.5LV6N/A
2012INFINITIFX353.5LV6N/A
2012INFINITIG252.5LV6N/A
2012INFINITIG373.7LV6N/A
2012INFINITIM35h3.5LV6N/A
2012INFINITIM373.7LV6N/A
2012Nissan370Z3.7LV6N/A
2011INFINITIEX353.5LV6N/A
2011INFINITIFX353.5LV6N/A
2011INFINITIG252.5LV6N/A
2011INFINITIG373.7LV6N/A
2011INFINITIM373.7LV6N/A
2011Nissan370Z3.7LV6N/A
2010INFINITIEX353.5LV6N/A
2010INFINITIFX353.5LV6N/A
2010INFINITIG373.7LV6N/A
2010INFINITIM353.5LV6N/A
2010Nissan370Z3.7LV6N/A
2009INFINITIEX353.5LV6N/A
2009INFINITIFX353.5LV6N/A
2009INFINITIG373.7LV6N/A
2009INFINITIM353.5LV6N/A
2009Nissan350Z3.5LV6N/A
2009Nissan370Z3.7LV6N/A
2008INFINITIEX353.5LV6N/A
2008INFINITIG353.5LV6N/A
2008INFINITIG373.7LV6N/A
2008Nissan350Z3.5LV6N/A
2007INFINITIG353.5LV6N/A
2007Nissan350Z3.5LV6N/A
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
16175JK21A16175JR21A