/live/media/AP/AP_772797_Top.jpg)
OE Quality
60-Day Returns
AP ExhaustPart #: 772797
AP Exhaust 772797 Catalytic Converter - Rear
9 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$1,030.02Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
HGMXV03.6166, Rear
Fitment: Buick and Chevrolet, Impala and LaCrosse
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Catalytic Converter options
AP Exhaust 772797 Catalytic Converter - Rear
| Brand | AP Exhaust |
|---|---|
| Part Number | 772797 |
| Position | HGMXV03.6166, Rear |
| Body Material | Stainless steel |
| Executive Order | D-798-9 |
| Inlet Gasket | 2 |
| Inlet Hardware | None |
| Inlet Type A | 2 bolt welded |
| Inlet Type B | 2 bolt welded |
| Issued Company | Ap exhaust holdings, llc |
| O2 Sensor Ports | None |
| Outlet Gasket | Yes |
| Outlet Hardware | None |
| Outlet Type A | 2 bolt welded |
| Overall Length (IN) | 55.25 |
| Substrate Material | Ceramic |
| Type | Carb compliant direct-fit |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2017 | Chevrolet | Impala | 3.6L | V6 | Rear | Direct Fit - California; HGMXV03.6166; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; HGMXV03.6166; HGMXV03.6166 | |
| 2016 | Buick | LaCrosse | FWD | 3.6L | V6 | Rear | Direct Fit - California; GGMXV03.6166; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; GGMXV03.6166; GGMXV03.6166 |
| 2016 | Chevrolet | Impala | 3.6L | V6 | Rear | Direct Fit - California; GGMXV03.6166; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; GGMXV03.6166; GGMXV03.6166 | |
| 2015 | Buick | LaCrosse | FWD | 3.6L | V6 | Rear | Direct Fit - California; FGMXJ03.6166; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; FGMXJ03.6166; FGMXJ03.6166 |
| 2015 | Chevrolet | Impala | 3.6L | V6 | Rear | Direct Fit - California; FGMXJ03.6166; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; FGMXJ03.6166; FGMXJ03.6166 | |
| 2014 | Buick | LaCrosse | FWD | 3.6L | V6 | Rear | Direct Fit - California; EGMXJ03.6166; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; EGMXJ03.6166; EGMXJ03.6166 |
| 2014 | Chevrolet | Impala | 3.6L | V6 | Rear | Direct Fit - California; EGMXJ03.6166; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; EGMXJ03.6166; EGMXJ03.6166 | |
| 2013 | Buick | LaCrosse | FWD | 3.6L | V6 | Rear | Direct Fit - California; DGMXJ03.6166; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; DGMXJ03.6166; DGMXJ03.6166 |
| 2012 | Buick | LaCrosse | FWD | 3.6L | V6 | Rear | Direct Fit - California; CGMXJ03.6166; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; CGMXJ03.6166; CGMXJ03.6166 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.