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R43681 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The INSERT,ENGINE VALVE SEAT is a the manufacturer industrial component. Key specifications include style_designator: PLAIN, surface_treatment: CHROMATE BODY, body_inside_diameter: 1.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-102-0142, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
R43681
NSN: 2815-00-102-0142
FSC: 2815
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
style_designatorPLAIN
surface_treatmentCHROMATE BODY
body_inside_diameter1.500 INCHES NOMINAL IN
NSN2815-00-102-0142
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,ENGINE VALVE SEAT TITLE COMPONENT PN R43681 MFR INSERT,ENGINE VALVE SE
KEY FEATURES
•
SURFACE TREATMENT: CHROMATE BODY
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCHROMATE BODY
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
31290Interchangeable
interchangeable cross-reference
interchangeable
618 90 DEGInterchangeable
interchangeable cross-reference
interchangeable
A910-90Interchangeable
interchangeable cross-reference
interchangeable
716 90 DEGInterchangeable
interchangeable cross-reference
interchangeable
AR47458Interchangeable
interchangeable cross-reference
interchangeable
193-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R43681?
R43681 is a INSERT,ENGINE VALVE SEAT.
What parts can replace R43681?
There are 12 known substitutes for R43681: 31290, 618 90 DEG, A910-90 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R43681?
R43681 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-102-0142. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026