Walker 16991 Catalytic Converter - Right

Brand Walker 16991
Position Right
Mounting Hardware Included No
Universal Or Specific Fit Specific
Grade Type Premium
Body Shape Oval
Inlet Type 2 bolt welded flange
Outlet Type 2 bolt welded flange
Body Height 3.500
Body Length 8.400
Body Width 6.000
Inlet Quantity 1
Outlet Quantity 1
California Air Resources Board (CARB) Certified No
Overall Length 18.000
New York Certified No
Catalyst Type Eco carb
Clamp Qty None
Inlet Gasket Yes
Inlet Gasket Qty 1
Inlet Hardware No
Outlet Gasket Yes
Outlet Gasket Qty 1
Shape Oval
Product line EPA
Fits Ram · 24 vehicles

EPA-compliant design. Built to meet EPA standards with assured compliance.

Direct-fit replacement. Specific fit for easier installation with no modifications needed.

Oval body shape. Compact construction with welded flange connections and included gaskets.

Cross-references Eastern Catalytic 20466 for the same application. See all 1.

$811.15Free shipping
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Step 2 — Quantity
Order total $811.15
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker EPA 16991 Catalytic Converter for Ram ProMaster

Walker EPA 16991 is a direct-fit catalytic converter built for OBDII vehicles and engineered to meet EPA standards while maintaining premium performance. It is a specific-fit replacement for select Ram ProMaster 1500, 2500, and 3500 models with right-side placement.

Key Features

  • Direct-fit, specific application for easier replacement on the correct exhaust location
  • EPA-compliant design for 1996 and newer OBDII vehicles
  • Premium-grade construction with an oval body shape
  • 2-bolt welded flange inlet and outlet for factory-style connection points
  • Inlet gasket and outlet gasket included for sealing at the connection points
  • Overall length: 18.000 in.; body dimensions: 8.400 in. long, 6.000 in. wide, 3.500 in. high
  • Cross-reference: Eastern Catalytic 20466

Product Details

This Walker Ultra Direct-Fit Catalytic Converter is designed for the right side of 2014-2021 Ram ProMaster 1500, 2014-2021 Ram ProMaster 2500, and 2014-2021 Ram ProMaster 3500. Walker EPA 16991 uses an oval ECO CARB catalyst body with welded 2-bolt flange inlet and outlet connections to match the original exhaust layout on the listed Ram ProMaster applications. The direct-fit format supports a cleaner replacement process when servicing emissions-related exhaust components on these vehicles.

What It Helps Address

  • Check engine light concerns related to catalytic converter efficiency
  • Failed emissions inspection caused by a worn or restricted converter
  • Exhaust flow issues from a damaged or deteriorated catalyst assembly
  • Leak points at the inlet or outlet flange connection
  • Replacement needs for a right-side converter on Ram ProMaster vans

Installation Notes

Confirm right-side fitment before ordering and match the vehicle year, model, and exhaust configuration to the listing. This converter uses specific-fit, welded flange connections and includes inlet and outlet gaskets; mounting hardware is not included. Verify flange alignment and exhaust condition before installation to help ensure proper sealing and fit.

Quality Assurance

Walker EPA 16991 is part of the Walker Ultra Direct-Fit Catalytic Converter line, which is built for EPA-compliant replacement on import and domestic OBDII vehicles. The design focuses on factory-style fitment and emissions-system compliance for the listed Ram ProMaster applications.

This part fits 24 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2021RamProMaster 15003.6LV6FLEXRightEPA
2021RamProMaster 25003.6LV6FLEXRightEPA
2021RamProMaster 35003.6LV6FLEXRightEPA
2020RamProMaster 15003.6LV6FLEXRightEPA
2020RamProMaster 25003.6LV6FLEXRightEPA
2020RamProMaster 35003.6LV6FLEXRightEPA
2019RamProMaster 15003.6LV6FLEXRightEPA
2019RamProMaster 25003.6LV6FLEXRightEPA
2019RamProMaster 35003.6LV6FLEXRightEPA
2018RamProMaster 15003.6LV6FLEXRightEPA
2018RamProMaster 25003.6LV6FLEXRightEPA
2018RamProMaster 35003.6LV6FLEXRightEPA
2017RamProMaster 15003.6LV6FLEXRightEPA
2017RamProMaster 25003.6LV6FLEXRightEPA
2017RamProMaster 35003.6LV6FLEXRightEPA
2016RamProMaster 15003.6LV6FLEXRightEPA
2016RamProMaster 25003.6LV6FLEXRightEPA
2016RamProMaster 35003.6LV6FLEXRightEPA
2015RamProMaster 15003.6LV6FLEXRightEPA
2015RamProMaster 25003.6LV6FLEXRightEPA
2015RamProMaster 35003.6LV6FLEXRightEPA
2014RamProMaster 15003.6LV6FLEXRightEPA
2014RamProMaster 25003.6LV6FLEXRightEPA
2014RamProMaster 35003.6LV6FLEXRightEPA
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Eastern Catalytic — 20466