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DPF Parts Direct.com has the largest Redline Emissions Products® inventory in North America.
Redline Emissions Products® is an all-makes line of aftertreatment emissions parts that are available through a network of dealers and select online retailers.
DES (parent company for DPF Parts Direct.com) is a Master Dealer for REP. Redline Emissions Products® offers one of the most comprehensive parts coverage in the industry, with over 100 SKUs for DPFs / DOCs, over 45 clamps, over 110 gaskets, over 100 sensors, over 45 weld bungs, and over 30 charge air coolers & accessories.
Redline Emissions Products® DPFs feature our Born on Weight™ on the ID tag, which helps cleaning shops know the exact target weight of a cleaned unit. All REP parts are OEM quality fit, with professional top-tier packaging and single item packaging that helps protect during shipping and for inventory. Shipping warehouses are on west and east coast of U.S., making ground shipping fast and affordable.
Redline Emissions Products (16)

Redline Emissions Products NOx / O2 Weld Bung (BG1021) - M18 X 1.50, 1" OD, 1/2" H
$22.50
Redline Emissions Products OEM Replacement Oxygen Sensor Weld Bung (BG1021): 18mm x 1.50 (THREAD DIA & PITCH) 1" OD (Outside DIA) 1/2" H (Height) Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper fitment.

Redline Emissions Products NOx / O2 Adapter Weld Bung (BG1026) - M12 X 1.25 & M18 X 1.50, 7/8" OD, 3/8" H
$22.50
REP Oxygen Sensor Bung Hex Insert (BG1026): 12mm x 1.25 (inside) 18mm x 1.50 (outside) 7/8" OD (Outside DIA) 3/8" H (Height) Fitting Adapter & Hex Insert Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper fitment.

Redline Emissions Products Weld Bung (BG1011) - Male Thread M14 X 1.50, 7/8" OD, 11/16" H
$22.50
Redline Emissions Products OEM Replacement Weld Bung (BG1011): 14mm x 1.50 (THREAD DIA & PITCH) 7/8" OD (Outside DIA) 11/16" H (Height) Fitting w/ Male Thread Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper fitment.

Redline Emissions Products NOx / O2 Plug Weld Bung (BG1022) - M18 X 1.50, 7/8" OD, 1/2" H
$22.50
Redline Emissions Products OEM Replacement Oxygen Sensor Plug Weld Bung (BG1022): 18mm x 1.50 (THREAD DIA & PITCH) 7/8" OD (Outside DIA) 1/2" H (Height) Fitting Plug & Hex Inset Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensur...

Redline Emissions Products NOx / O2 Weld Bung (BG1017) - M12 X 1.25, 1" OD, 5/16" H, Stepped
$22.50
Redline Emissions Products OEM Replacement Oxygen Sensor Stepped Weld Bung (BG1017): 12mm x 1.25 (THREAD DIA & PITCH) 1" OD (Outside DIA) 5/16" H (Height) Fitting Stepped Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper f...

Redline Emissions Products NOx / O2 Weld Bung (BG1016) - M10 X 1.25, 1" OD, 5/16" H, Stepped
$22.50
Redline Emissions Products OEM Replacement Oxygen Sensor Stepped Weld Bung (BG1016): 10mm x 1.25 (THREAD DIA & PITCH) 1" OD (Outside DIA) 5/16" H (Height) Fitting Stepped Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper f...

Redline Emissions Products NOx / O2 Weld Bung (BG1013) - M18 X 1.50, 1" OD, 13/32" H
$22.50
Redline Emissions Products OEM Replacement Oxygen Sensor Weld Bung (BG1013): 18mm x 1.50 (THREAD DIA & PITCH) 1" OD (Outside DIA) 13/32" H (Height) Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper fitment.

Redline Emissions Products NOx / O2 Weld Bung (BG1018) - M12 X 1.25, 1" OD, 1/2" H
$22.50
Redline Emissions Products OEM Replacement Oxygen Sensor Weld Bung (BG1018): 12mm x 1.25 (THREAD DIA & PITCH) 1" OD (Outside DIA) 1/2" H (Height) Fitting Stepped Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper fitment.

Redline Emissions Products Weld Bung (BG2011) - Male Thread M14 X 1.50, .866" OD, .67" H Normal Flare Stepped
$22.50
Redline Emissions Products OEM Replacement Weld Bung (BG2011): 14mm x 1.50 (THREAD DIA & PITCH) 0.866" OD (Outside DIA) 0.67" H (Height) Stepped Fitting w/ Male Thread Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper fitment.

Redline Emissions Products NOx / O2 Weld Bung (BG1020) - M18 X 1.50, 1" OD, 1" H
$22.50
Redline Emissions Products OEM Replacement Oxygen Sensor Weld Bung (BG1020): 18mm x 1.50 (THREAD DIA & PITCH) 1" OD (Outside DIA) 1" H (Height) Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper fitment.

Redline Emissions Products NOx / O2 Curved Weld Bung (BG1025) - M18 X 1.50, 1" OD, 7/16" H
$22.50
Redline Emissions Products OEM Replacement Oxygen Sensor Curved Weld Bung (BG1025): 18mm x 1.50 (THREAD DIA & PITCH) 1" OD (Outside DIA) 7/16" H (Height) Fitting Curved Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring proper fit...

Redline Emissions Products NOx / O2 Plug Weld Bung (BG1023) - M12 X 1.25, 5/8" OD, 13/32" H
$22.50
Redline Emissions Products OEM Replacement Oxygen Sensor Plug Weld Bung (BG1023): 12mm x 1.25 (THREAD DIA & PITCH) 5/8" OD (Outside DIA) 13/32" H (Height) Fitting Plug & Hex Stainless Steel Instead of buying a new DPF you can now simply replace the bung. These bungs allow you to position your sensor where it needs to be, ensuring...