All Parts

Exhaust & Aftertreatment (185)

Grand Rock FB-5ZN Clamp Saddle 5" ZN
Grand Rock Part No: FB-5ZN
$10.68 View Part
Skyline Emissions DJ0806-C - DPF for Detroit Diesel DD13/DD15/DD16
SKYLINE EMISSIONS Part No: DJ0806-C
$813.33 View Part
Skyline Emissions XN1103-C - DPF for Cummins ISX and Paccar MX13
SKYLINE EMISSIONS Part No: XN1103-C
$1,257.33 View Part
Skyline Emissions XN1107-C - DPF for Cummins, Paccar, & International / Navistar
SKYLINE EMISSIONS Part No: XN1107-C
$1,333.33 View Part
36 PIECE - WFC 5" S.S. CLAMP CASE
Grand Rock Part No: WFC-5SSBK EA
$18.15 View Part
5" DIA., 1.25" WIDE CLAMP; ALZ
Grand Rock Part No: GRE-AS5A
$10.95 View Part
Automann 561.291338 V-Band Clamp
Automann Part No: 561.291338
$34.04 View Part
Exhaust Mount Bushing
ATRO Engineered Systems Part No: EM75-69096-HT
$20.66 View Part
Grand Rock 3" PREFORMED CLAMP, W/LAP; 304SS
Grand Rock Part No: WFC-3SS
$17.60 View Part
Grand Rock 3" ZN Saddle Clamp
Grand Rock Part No: HD-3ZN
$9.92 View Part
Grand Rock 4" PREFORMED CLAMP, W/LJ; 304SS
Grand Rock Part No: WFC-4SS
$19.69 View Part
Grand Rock BRACKET 10" ZN
Grand Rock Part No: MG-10ZBRKT
$44.47 View Part

Exhaust and Aftertreatment Parts for Heavy-Duty Truck Compliance

Excessive emissions, poor fuel efficiency, or warning lights can indicate worn or failing exhaust and aftertreatment parts. Wofford Truck Parts offers replacement components that help reduce emissions, support DEF systems, and maintain regulatory compliance for heavy-duty trucks.

The right replacement parts help restore engine performance and reduce downtime. Our inventory includes truck parts for common aftertreatment repairs, including diesel particulate filters, DEF components, sensors, catalytic converters, and related hardware.

FAQs about Exhaust and Aftertreatment

You may notice warning lights, increased exhaust smoke, reduced fuel efficiency, or failed emissions tests. Inspect affected components to identify worn or damaged parts before ordering replacements.
Check your part number, engine application, system type, and mounting configuration. Parts vary by truck and engine model, so matching your replacement to your system ensures proper fit and function.
Yes. Clogged or faulty diesel particulate filters, DEF components, or sensors can reduce engine power, increase fuel use, and trigger warning lights. Inspect related DEF system components during service.
Check diesel particulate filters, catalytic converters, sensors, tubing, and DEF system components for wear, clogging, or leaks. Our inventory includes emission sensors for common heavy-duty truck aftertreatment repairs.
Replace components when they are clogged, damaged, leaking, or fail emissions testing. Using correct parts from Wofford Truck Parts helps restore proper emissions control and engine performance.