J-48388-4
Test Pipe 4-inch DPF without Restrictor for DD13
Detroit Diesel

The 4-inch test pipe for DPF is an essential diagnostic tool for evaluating the performance and integrity of diesel particulate filters in DD13 engines. Its compact length allows for easy installation in tight spaces, providing a direct conduit for testing exhaust backpressure and flow. No restrictor is included, ensuring an unobstructed pathway for accurate measurement during diagnostic procedures. This pipe helps technicians verify whether the DPF is functioning correctly, clogged, or in need of regeneration. Proper testing prevents unnecessary DPF replacements and ensures compliance with emissions standards. Crafted from durable materials, this test pipe withstands high-temperature exhaust gases and rough handling. Incorporating this component into your diagnostic arsenal improves troubleshooting efficiency and ensures optimal engine operation. Source One Parts Center offers this specialized tool for professional diesel engine diagnostics.