Homeβ€Ί Belts and Cooling > Hardware, Fasteners and Fittingsβ€Ί Dorman 54242 Engine Coolant Reservoir Cap
Part #: 54242

Dorman 54242 Engine Coolant Reservoir Cap

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βš™οΈ 111 vehicles fit this part
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βœ…OE Direct Replacement β€” Bolt-on fit, no modifications needed
πŸš—Fitment: Mitsubishi, Outlander, Outlander Sport, Lancer, RVR, and ASX
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Overview of Dorman Engine Coolant Reservoir Cap 54242

The Dorman 54242 engine coolant reservoir cap is designed for reliable performance in select Mitsubishi vehicles. This snap-on, flip-top cap provides a secure seal for the coolant reservoir, helping maintain proper engine temperature and fluid containment.

  • Material: Durable plastic construction
  • Diameter: 35 mm for precise fitment
  • Color: White finish for easy identification
  • Attachment Type: Snap-on design for quick installation
  • Type: Flip top for convenient access
  • Non-pressurized, non-vented design
  • Dimensions: 1.5 inches length and width
  • Package includes one coolant reservoir cap

Detailed Product Description

The Dorman 54242 engine coolant reservoir cap is engineered to meet the specifications required by Mitsubishi ASX, Lancer, Outlander, Outlander PHEV, Outlander Sport, and RVR models. Constructed from durable plastic, this cap measures 35 mm in diameter and features a snap-on attachment type that ensures a secure fit without the need for tools. The flip-top design allows for easy access to the coolant reservoir, facilitating routine maintenance and fluid checks. This cap is non-pressurized and non-vented, making it suitable for coolant reservoirs that do not require pressure regulation or venting functions.

Compatible Vehicles and Applications

  • Compatible with Mitsubishi ASX coolant reservoir systems
  • Designed for Mitsubishi Lancer engine cooling components
  • Fits Mitsubishi Outlander and Outlander PHEV coolant reservoirs
  • Suitable for Mitsubishi Outlander Sport and RVR models
  • Ideal replacement for worn or damaged coolant reservoir caps in these vehicles

Installation Notes and Tips

  • Ensure the coolant reservoir neck is clean and free of debris before installation
  • Align the cap properly and press firmly to snap it into place
  • Check for a secure fit to prevent coolant leaks
  • Do not force the cap if it does not snap on easily; verify correct part number and fitment
  • Consult vehicle service manual for specific coolant system maintenance procedures

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 54242 engine coolant reservoir cap undergoes quality inspections to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.

BrandDorman
Part Number54242
Attachment TypeSnap On
ColorWhite
Diameter35
Length (In)1.5 in
MaterialPlastic
Package Contents1 Coolant Cap
Pressure Release LeverNo
PressurizedNo
TypeFlip Top
VentedNo
Width (in)1.5 in

This part fits 111 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2025MitsubishiOutlander SportN/APackaging Type: Bag
2025MitsubishiRVRN/APackaging Type: Bag
2024MitsubishiOutlander SportN/APackaging Type: Bag
2024MitsubishiRVRN/APackaging Type: Bag
2023MitsubishiOutlander SportN/APackaging Type: Bag
2023MitsubishiRVRN/APackaging Type: Bag
2022MitsubishiOutlander PHEVN/APackaging Type: Bag
2022MitsubishiOutlander SportN/APackaging Type: Bag
2022MitsubishiRVRN/APackaging Type: Bag
2021MitsubishiOutlander PHEVN/APackaging Type: Bag
2021MitsubishiOutlander SportN/APackaging Type: Bag
2021MitsubishiRVRN/APackaging Type: Bag
2020MitsubishiOutlanderN/APackaging Type: Bag
2020MitsubishiOutlander PHEVN/APackaging Type: Bag
2020MitsubishiOutlander SportN/APackaging Type: Bag
2020MitsubishiRVRN/APackaging Type: Bag
2019MitsubishiOutlanderN/APackaging Type: Bag
2019MitsubishiOutlander PHEVN/APackaging Type: Bag
2019MitsubishiOutlander SportN/APackaging Type: Bag
2019MitsubishiRVRN/APackaging Type: Bag
2018MitsubishiOutlanderN/APackaging Type: Bag
2018MitsubishiOutlander SportN/APackaging Type: Bag
2017MitsubishiLancer2.4LL4N/APackaging Type: Bag
2017MitsubishiLancer2.0LL4N/APackaging Type: Bag
2017MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2017MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2017MitsubishiOutlander SportN/APackaging Type: Bag
2017MitsubishiRVRN/APackaging Type: Bag
2016MitsubishiLancer2.4LL4N/APackaging Type: Bag
2016MitsubishiLancer2.0LL4N/APackaging Type: Bag
2016MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2016MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2016MitsubishiOutlander SportN/APackaging Type: Bag
2016MitsubishiRVRN/APackaging Type: Bag
2015MitsubishiASXN/APackaging Type: Bag
2015MitsubishiLancerES2.0LL4N/APackaging Type: Bag
2015MitsubishiLancerSE Limited Edition2.4LL4N/APackaging Type: Bag
2015MitsubishiLancerSE Limited Edition2.0LL4N/APackaging Type: Bag
2015MitsubishiLancerGT2.4LL4N/APackaging Type: Bag
2015MitsubishiLancerGT2.0LL4N/APackaging Type: Bag
2015MitsubishiLancerSE2.4LL4N/APackaging Type: Bag
2015MitsubishiLancerSE2.0LL4N/APackaging Type: Bag
2015MitsubishiLancerDE2.0LL4N/APackaging Type: Bag
2015MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2015MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2014MitsubishiASXN/APackaging Type: Bag
2014MitsubishiLancerES2.0LL4N/APackaging Type: Bag
2014MitsubishiLancerGT Sportback2.4LL4N/APackaging Type: Bag
2014MitsubishiLancerSE Sportback2.0LL4N/APackaging Type: Bag
2014MitsubishiLancerGT2.4LL4N/APackaging Type: Bag
2014MitsubishiLancerGT2.0LL4N/APackaging Type: Bag
2014MitsubishiLancerLimited Edition2.0LL4N/APackaging Type: Bag
2014MitsubishiLancerSE2.4LL4N/APackaging Type: Bag
2014MitsubishiLancerSE2.0LL4N/APackaging Type: Bag
2014MitsubishiLancerDE2.0LL4N/APackaging Type: Bag
2014MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2014MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2013MitsubishiASXN/APackaging Type: Bag
2013MitsubishiLancerES2.0LL4N/APackaging Type: Bag
2013MitsubishiLancerGT Sportback2.4LL4N/APackaging Type: Bag
2013MitsubishiLancerSE Sportback2.0LL4N/APackaging Type: Bag
2013MitsubishiLancerGT2.4LL4N/APackaging Type: Bag
2013MitsubishiLancerGT2.0LL4N/APackaging Type: Bag
2013MitsubishiLancerSE2.4LL4N/APackaging Type: Bag
2013MitsubishiLancerSE2.0LL4N/APackaging Type: Bag
2013MitsubishiLancerDE2.0LL4N/APackaging Type: Bag
2013MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2013MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2013MitsubishiOutlander Sport2.0LL4N/ATo 6/31/12; Packaging Type: Bag
2012MitsubishiLancerES2.0LL4N/APackaging Type: Bag
2012MitsubishiLancerGT Sportback2.4LL4N/APackaging Type: Bag
2012MitsubishiLancerSE Sportback2.0LL4N/APackaging Type: Bag
2012MitsubishiLancerGT2.4LL4N/APackaging Type: Bag
2012MitsubishiLancerGT2.0LL4N/APackaging Type: Bag
2012MitsubishiLancerSE2.4LL4N/APackaging Type: Bag
2012MitsubishiLancerSE2.0LL4N/APackaging Type: Bag
2012MitsubishiLancerDE2.0LL4N/APackaging Type: Bag
2012MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2012MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2012MitsubishiOutlander Sport2.0LL4N/ATo 6/31/12; Packaging Type: Bag
2011MitsubishiLancerES2.0LL4N/APackaging Type: Bag
2011MitsubishiLancerGTS Sportback2.4LL4N/APackaging Type: Bag
2011MitsubishiLancerSE Sportback2.0LL4N/APackaging Type: Bag
2011MitsubishiLancerGT2.0LL4N/APackaging Type: Bag
2011MitsubishiLancerSE2.0LL4N/APackaging Type: Bag
2011MitsubishiLancerGTS2.4LL4N/APackaging Type: Bag
2011MitsubishiLancerDE2.0LL4N/APackaging Type: Bag
2011MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2011MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2011MitsubishiOutlander Sport2.0LL4N/APackaging Type: Bag
2011MitsubishiRVRN/APackaging Type: Bag
2010MitsubishiLancerES2.0LL4N/APackaging Type: Bag
2010MitsubishiLancerGTS Sportback2.4LL4N/APackaging Type: Bag
2010MitsubishiLancerSE2.0LL4N/APackaging Type: Bag
2010MitsubishiLancerGTS2.4LL4N/APackaging Type: Bag
2010MitsubishiLancerDE2.0LL4N/APackaging Type: Bag
2010MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2010MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2009MitsubishiLancerES2.0LL4N/APackaging Type: Bag
2009MitsubishiLancerSE2.0LL4N/APackaging Type: Bag
2009MitsubishiLancerGTS2.4LL4N/APackaging Type: Bag
2009MitsubishiLancerDE2.0LL4N/APackaging Type: Bag
2009MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2009MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2008MitsubishiLancerES2.0LL4N/APackaging Type: Bag
2008MitsubishiLancerGTS2.0LL4N/APackaging Type: Bag
2008MitsubishiLancerDE2.0LL4N/APackaging Type: Bag
2008MitsubishiOutlander2.4LL4N/APackaging Type: Bag
2008MitsubishiOutlander3.0LV6N/APackaging Type: Bag
2007MitsubishiLancerN/APackaging Type: Bag
2007MitsubishiOutlander3.0LV6N/APackaging Type: Bag

* 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:

MR597536

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