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37236-426-000

Speedometer under-plate (lower cover) for Honda CX500C, CX500D, CB550K and GL500

Original part (OEM)

Available from the maker

If the original fits your needs, buying it is usually the best option. ✓3 Checked Oct 28, 2026.

PorkForge replacement

Not made yet

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Part facts

Original part number
37236-426-000✓1
Manufacturer
Honda
System
Dash and instruments
Notes
Speedometer under-plate (lower cover) for Honda CX500C (1979-1982), CX500D (1979-1981), CB550K (1977-1978), GL500 (1981-1982). Chrome-finish dish under the speedometer. Bike-Parts-Honda lists Honda's name PLATE, SPDMT.UNDER. The number was confirmed on a genuine-Honda parts lookup.
Last reviewed
Oct 28, 2026 · record pf-moto-00021

Dimensions How to measure this part

Not measured yet. Have this part? Send us its measurements and we will credit the source.

Fits these machines

Model Years Notes Evidence
Honda CX500C 1979–1982 — Reported 1
Honda CX500D 1979–1981 — Reported 1
Honda CB550K 1977–1978 — Reported 2
Honda GL500 1981–1982 — Reported 2

Check against your machine’s serial number before ordering.

Where to find one today

Source Condition Price Stock Checked
Old Bike Barn 1 New, aftermarket $29.95 In stock Oct 28, 2026
Bike-Parts-Honda (genuine Honda) 3 New, original £46.37 inc. tax (about $61.80) Not stated Oct 28, 2026

Prices in other currencies are shown as the seller listed them, with US dollars at the European Central Bank reference rate for the day they were checked.

Why it is hard to get

  • Market evidence: An aftermarket seller makes and stocks a non-Honda replacement, which suggests the original is hard to get and sells steadily. 1

Can this part be made again?

EligiblePhysical replacement

Cosmetic plastic trim: not structural, hot or safety-critical. No dimensions published; expected to fit the 205 mm limit (inferred).

Candidate materials: ASA, PETG (confirmed by test-fitting).

EligibleSTL / FreeCAD file

Can be offered as a printable file and an editable FreeCAD model once the measurements are verified.

Sources

  1. Old Bike Barn product page: Honda 37236-426-000 Speedometer under-plate (lower cover) aftermarket · checked Oct 28, 2026
  2. Old Bike Barn product page (second fitment listing) for 37236-426-000 aftermarket · checked Oct 28, 2026
  3. Bike-Parts-Honda genuine-part lookup for 37236-426-000 dealer · checked Oct 28, 2026

Not affiliated with or endorsed by Honda or its successors. The name is used only to identify compatibility. Part numbers are shown for reference. Check fit against your own machine. Spot a mistake?

Verification checklist (6 of 8 met)
  • ✓ OEM part number verified from a cited source
  • ✓ Cited by two websites, or by an OEM or dealer source
  • ✓ At least one compatible model with a source
  • ✕ 2 kinds of fact beyond the name (original availability, aftermarket prices); 3 needed
  • ✓ Original availability checked 2026-10-28
  • ✓ Text and title are distinct
  • ✓ No editorial hold
  • ✕ Not yet reviewed and signed off for search

Related parts

Part no. Part Make Fits Original PorkForge Sources
37246-404-000 replaced by 37246-426-000 Tachometer under-plate (lower cover) Honda CB750K7, CX500C, CX500D, CB550K, GL500 Available Research only 3
37600-377-018 Pilot indicator light cover (front and rear halves) Honda CB400F, CB550F, CB550K, CB750 Not checked Research only 2
40510-323-000 Chain cover (chain guard) Honda CB500K, CB550K Not checked Not eligible 2
83600-323-030 Right side cover Honda CB500K, CB550K Not checked Research only 2
83700-323-030 Left side cover Honda CB500K, CB550K Not checked Research only 2
37236-426-000
Original: available from the maker
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