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12MM x 1.25 Normal Flare Weld Bung, OEM Style Replacement

FSS Emission Products

$19.50

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SKU:
17200018
Availability:
In Stock
Size:
12MM Thread Diameter - 1.25 Thread Pitch - Normal Flare
Fitment:
Not sure you have the correct size? Call us and we will match the proper bung to your DPF or DOC
Shipping:
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Product Overview

The Dinex 17200018 is an OEM-grade M12 × 1.25 weld-in sensor bung engineered for heavy-duty commercial exhaust, DPF, and DOC canister sensor port repairs. Featuring a factory-spec Ø5.6 mm internal probe bore and a precision-machined conical flare seat, it provides an airtight, metal-to-metal seal for standard small-probe Exhaust Gas Temperature (EGT) sensors without requiring gaskets or crush washers.

Product Specifications

Manufacturer Dinex
Part Number 17200018
Thread Size & Pitch M12 × 1.25
Through-Bore Diameter Ø5.6 mm (0.22 in)
Seating Surface Conical Flare Seat (Normal / Inverted Flare Style)
Sealing Method Metal-to-Metal Internal Flare Seal (No Gasket Required)
Profile Style Weld-In Universal Replacement
Outer Diameter (OD) 1.11 in (28.20 mm)
Overall Length / Height 0.80 in (20.32 mm)
Width 1.11 in (28.20 mm)
Weight 0.08 lbs (0.04 kg)
Primary Application DPF / DOC Canister EGT Sensor Ports

Key Features & Engineering Details

  • Accurate Ø5.6 mm Sensor Bore: Custom-machined to accommodate standard ≤5.0 mm EGT probe tips while keeping the flare shoulder firmly supported against exhaust backpressure.
  • Precision M12 × 1.25 Threads: Clean, burr-free threads eliminate galling and stripping during high-temp field servicing.
  • Weld-Ready Flange: Optimized outer profile provides clean heat distribution and penetration for TIG or MIG welding on commercial exhaust canisters and tubing.
  • Extreme Temperature Durability: Resists thermal cycling fatigue and oxidation under heavy-duty regeneration cycles.

Warranty Information

One Year