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Close-up side angle of glow plug body showing threaded shank, hex nut body, insulator collar, and M4 stud terminal with retaining nut; zinc-plated finish throughout
Diesel Glow Plug - Isuzu - GPM-516 - Bosch - NOS
Opposite side angle of plug highlighting hex body, insulator ring, and M4 terminal stud end detail; surface condition consistent with unused NOS part
Flat side-on view of full plug length showing partial text stamped on shank body (partially legible); glow tip at right, terminal stud at left

Diesel Glow Plug - Isuzu - GPM-516 - Bosch - NOS

Only 1 left!
Brand Bosch
Part Number GPM-516
Type Glow Plug
Condition New Old Stock

Specifications

  • Terminal type: M4 nut
  • Thread size: M10 x 1.25 (probable — standard for Isuzu diesel applications in this series)
  • Operating voltage: 12V

Vehicle Fitment

Isuzu WG3AM/WG3AN chassis 4.3L 4HF1 diesel 1999-2000
Isuzu WG3AT/WG3AD chassis 4.3L 4HF1 diesel 1999-2000
Isuzu WG6AD/WG6AK chassis 4.6L 4HG1 diesel 1999-2000
Isuzu NKR200 / Elf (GPI-021 cross-reference application)

Cross References

Part Numbers Relationship
GPI-021 equivalent
New Old Stock (NOS) — Unused part in original condition. Packaging may show age-related shelf wear. NOS in original Bosch retail box; plug appears unused with no scoring, carbon, or thread damage; box shows minor shelf wear consistent with age. Electrical and ignition components should be tested by a qualified auto electrician before installation. Please confirm this part number suits your vehicle before purchasing.

SKU: IGN-00400

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