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Radial Sealing Ring Gasket for John Deere Tractors Ref. 74712297 OEM R123226

Radial sealing ring gasket part number 74712297 (OEM references John Deere R123226, R136516). Designed to provide a dependable, leak-free seal for the water pump and cooling circuit on PowerTech 4.5L and 6.8L engines. Engineered for John Deere agricultural machinery across the 5000, 6000, 7000, CWS, W, and T series under demanding field operations.

Precision Radial Sealing
Thermal & Chemical Aging Resistance
Vibration & Expansion Tolerance

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Description

Key features

Precision Radial SealingForm-matched circular cross-section seats securely into the pump mating groove with calibrated interference, preventing coolant bypass under all operating pressures.

Thermal & Chemical Aging ResistancePremium elastomeric polymer compound maintains elasticity and resists permanent compression set under high thermal cycling and exposure to organic acid technology (OAT) coolants.

Vibration & Expansion ToleranceCompensates for differential expansion between cast-iron and aluminum engine parts while dampening harmonic engine vibrations.

Direct OEM Specification MatchFully compliant with John Deere dimensional and material standards, serving as a direct replacement for OEM part numbers R123226 and R136516.

Clean, Paste-Free InstallationInstalls cleanly into the machined radial recess using only a light film of fresh coolant, eliminating the need for RTV silicone sealers.

Specifications

Commercial Part Number	74712297
Product Classification	Radial ring seal / O-ring gasket for cooling water pump
Original Reference Codes (OEM Cross-Ref)	R123226, R136516
Associated Water Pump / Gasket	Water pump part number 74712077 and flange gasket 74712103
Engine Compatibility	John Deere PowerTech Engines (4.5L and 6.8L)
Coolant Media Tolerance	Standard ethylene glycol coolants, organic acid technology (OAT), and hybrid coolants