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SKU:
NLT2D01193
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2010-2014 GMC Terrain 2.4L Front & Rear Catalytic Converter Set
$133.99
In Stock
$133.99
Sale price
$133.99
Regular price
Aftermarket front and rear catalytic converter set for 2010-2014 GMC Terrain 2.4L models; federal EPA-style replacement with application-specific emissions restrictions.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- GMC Terrain 2.4L — 2010
- GMC Terrain 2.4L — 2011
- GMC Terrain 2.4L — 2012
- GMC Terrain 2.4L — 2013
- GMC Terrain 2.4L — 2014
Product Overview
This two-piece set is for a Terrain with confirmed catalyst failure in both front and rear sections, severe corrosion, internal rattling, or restricted exhaust flow. It replaces the paired converter sections so the system can be repaired together instead of mixing one new part with one failed unit.
Catalysts usually fail for a reason. Misfires, oil consumption, coolant entry, rich fuel trim, and exhaust leaks must be repaired first or the new converters may fail again.
Key Features & Performance
- Front and rear converter set
- Direct-fit layout for 2.4L Terrain applications
- Supplied for a complete two-section exhaust repair
- Aftermarket federal EPA-style emissions parts
Replaces Part Numbers
- 16581
- 54850
- 25970315
- 25970320
- 642042
- 644015
- 50507
- 50508
Common Uses
- Confirmed catalyst-efficiency failure
- Rattling substrate inside either converter
- Restricted exhaust causing loss of power
- Replacing heavily rusted front and rear sections
Technical Specifications
- Product Type: Front and rear catalytic converter set
- Engine: 2.4L gasoline
- Quantity: 2 converters
- Replacement Type: Aftermarket federal EPA-style
Installation & Fitment
- Confirm emissions legality for the registration location
- Correct misfires, oil burning, and fuel-control faults
- Inspect oxygen sensors, flanges, hangers, and exhaust leaks
- Use new seals and verify clearance after installation
Compatibility Notice
Verify 2.4L engine, drivetrain, emissions label, flange orientation, sensor ports, and original numbers. This set may not be legal for sale or use in California, Colorado, New York, or other states requiring CARB-compliant converters.
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown.
Frequently Asked Questions
Q: Will this cure a P0420 by itself? A: Only when the catalyst is the confirmed cause; sensors, leaks, fuel trim, and engine faults must be diagnosed.
Q: Does the set include both converter sections? A: Yes, it is listed as a front and rear pair.
Q: Can oil consumption damage new converters? A: Yes. Burning oil can coat and overheat the catalyst.
Q: Does it fit the 3.0L Terrain? A: No. This listing is specifically for the 2.4L engine.
Part Summary
keywords: GMC Terrain 2.4 catalytic converters, 2010 2014 Terrain converter set, front rear catalytic converter pair, Terrain P0420 replacement, 25970315 converter fit, aftermarket EPA exhaust kit
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.