Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.
Part-number relationships
Relationship
Reference family
Number
Primary Equipment Part Number
Isuzu QOS-3 timer
8-97105790-0
Same-number Formatting Variant
Compact Isuzu formatting
8971057900
Manufacturer Model
NGK model printed on physical label
S85NJ
Cross-reference (fitment check required)
12V Isuzu timer catalog
8-97105790-1 / 8971057901
Cross-reference (fitment check required)
12V Isuzu timer catalog
8-97040501-0 / 8970405010
Cross-reference (fitment check required)
12V Isuzu timer family
8970405020 / 8970405021
Cross-reference (fitment check required)
TCM timer reference
21152-42013
Cross-reference (fitment check required)
Yanmar timer reference
129901-77960
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
8-97105790-0
Manufacturer number
S85NJ
Formatting alias
8971057900
Cross-reference (fitment check required)
8-97105790-1 / 8971057901
8-97040501-0 / 8970405010
8970405020 / 8970405021
21152-42013
129901-77960
Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.
Product summary
12V Six-Pin QOS-3 Glow Plug Timer
Category
Excavator Engine Parts
Catalog ID
65513318
Photo views
5
Before ordering
Confirm these details
Match the complete part number on the original component.
Compare connectors, mounting points and visible dimensions with the product photos.
Confirm the exact machine or engine model and serial range before ordering.
Fitment limitation: Confirm 12V label, S85NJ/8971057900 reference, six-pin connector and machine serial
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Common questions about 8-97105790-0
Which machines use 8-97105790-0?
Recorded compatible model references include Supported engine families: Isuzu 4JG2 / 4LB1, Supported Hitachi equipment family: EG30; ZX27U / ZX30U / ZX35U / ZX40U / ZX50U / ZX55UR / ZX55UR-HHE. Recorded fitment/evidence notes: Fitment limitation: Confirm 12V label, S85NJ/8971057900 reference, six-pin connector and machine serial. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 8-97105790-0?
Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Manufacturer number: S85NJ. Formatting aliases for the same number: 8971057900.
How do I confirm 8-97105790-0 before ordering?
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
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