Kenneth B.
Sep 26,2026
Verified buyer
Fit my 2015 GMC Acadia perfect, looks solid we'll see how long it lasts!
Add your vehicle to ensure fitment
Loading vehicle options...
Choose Year, Make, and Model to check exact fitment.
EPA2015-2017 GMC Terrain 2.4L L4 | Front Catalytic Converter | 16581 - PHILTOP
Complete Parts Range
Front
- SKU:
- 85ISEXP5817US
$191.12
Check if this fits your vehicle
Select a vehicle to check this product.
- Labels & Certifications
- EPA
- Restricted States
- Maine、New York、California、Colorado
- Oxygen Sensor Ports
- 1
- Position
- Front
- Product Dimensions
- 26.3 x 14.4 x 8.5 in
- Body Material
- Stainless Steel
- Substrate Material
- Ceramic
- [Fitment] --- PHILTOP Catalytic Convertor Compatible with 2015-2017 Equinox/Terrain 2.4L.Standard OEM Specification: Catalytic Converter OEM Part Number#644066
- [Easy Installation] --- Direct-fit design kit is a bolt-on replacement featuring OE-style hangers, brackets, routings, and heat shields, enabling easy installation without the need for fabrication or welding.
- [HIGH FLOW PERFORMANCE] --- Our catalytic converters meet OEM specs. Advanced manufacturing ensures proper fittings/connections for smooth installation and optimal exhaust flow.
- [Strong and Durable] --- It adopts durable stainless steel material, paired with mandrel bending technology and a precisely manufactured flared receiver, featuring reliable and long-lasting performance as well as heat protection.
- [COMPLIANCE WITH EPA] --- Our catalytic converters have strict production procedures and comply with EPA standards and Obd3 standards. Suitable for use on OBDII vehicles from 1996 and newer. This product is not legal for sale or use in CA/NY/CO/ME due to state emissions regulations. This product is compatible with Federal Emissions standards. For California Emissions Standards, please check the state's aftermarket converter regulations. Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME)
4.7
11 reviews
5 star: 9
4 star: 1
3 star: 1
Compatible Vehicles
Check if this fits your vehicle
| Year | Make | Model | Trim | Engine | Notes |
|---|---|---|---|---|---|
| 2015 - 2017 | Chevrolet | Equinox | L | 2.4L L4 | - |
| 2015 - 2017 | Chevrolet | Equinox | LS | 2.4L L4 | - |
| 2015 - 2017 | Chevrolet | Equinox | LT | 2.4L L4 | - |
| 2015 - 2016 | Chevrolet | Equinox | LTZ | 2.4L L4 | - |
| 2017 | Chevrolet | Equinox | Premier | 2.4L L4 | - |
| 2015 - 2017 | GMC | Terrain | Denali | 2.4L L4 | - |
| 2015 - 2017 | GMC | Terrain | SL | 2.4L L4 | - |
| 2015 - 2017 | GMC | Terrain | SLE | 2.4L L4 | - |
| 2015 - 2017 | GMC | Terrain | SLT | 2.4L L4 | - |
Product Specifications
- Brand
- PHILTOP
- Labels & Certifications
- EPA
- Restricted States
- Maine、New York、California、Colorado
- Oxygen Sensor Ports
- 1
- Position
- Front
- Dimension(L×W×H)
- 26.3 x 14.4 x 8.5 in
- Items Included
- 1x Front Catalytic Converter - 644066 1x Manual
- Body Material
- Stainless Steel
- Universal
- No
- Heat Shield Included
- NO
- Substrate Material
- Ceramic
- Flange Material
- Q235
- Bolt Grade
- 8.8
- Surface Finish
- Polished, Rust Protected
- Item Weight
- 10.5 lb
- Warranty Period
- 1-Year
- Part Number
- 16581,16796,644066,50583,50507,644015,0795267,52186,52600
- Quantity
- 1
Product Video
Product Description
Reviews
4.7/5
Based on 11 reviews
82%
9%
9%
0%
0%
jmac
Aug 06,2026
Verified buyer
insallation was perfect
FAQS
Fitment depends on your vehicle's specific engine and year. To be 100% sure, please enter your vehicle's Brand, Year, and Model into the "Fitment Checker" at the top of the page. If it shows a "Match," this part is engineered specifically for your vehicle.
Yes, this unit is fully EPA-compliant and meets federal emissions standards. You can verify the EPA certification stamps and specific engineering standards by looking through the "Technical Specs" section below.
Installation difficulty depends on your vehicle's exhaust layout. Most of our units are "Direct-Fit," but some may require more effort than others. Please check the "Installation Guide" or product photos on this page to see the specific bolt patterns and connection points for this model.