OEM PART NUMBERS (John Deere):
AA6327R / AA 6327R
R5318 / R 5318
R4280 / R 4280
CASTING NUMBERS:
A4898 / A4898R
A5318 / A5318R
SPECIFICATIONS:
• Type: Water Pump
• Drive Type: Pulley Driven — Single Groove V-Belt
• Pulley Width: 3/8" (0.375")
• Pulley Length: 7.10"
• Gasket: Included
• Bypass Port: Yes (plug F2282R if bypass not used)
• Engine Compatibility: John Deere 2-Cylinder Horizontal — 321ci (5.26L) Bore 5.51" x Stroke 6.73" and 302.9ci (4.96L) Bore 5.31" x Stroke 5.94"
• Fuel Systems: Gasoline, All-Fuel (Kerosene/Distillate), LP Gas
• Condition: New
SERIAL NUMBER RESTRICTIONS:
• Model A: BSN 584000 and up
• Model AO: BSN 281400 and up
• Model AR: BSN 281400 and up
• Model 60: BSN 6030000 and up
• 620/630: No serial restrictions noted
APPLICATIONS:
• Model A / AO / AR — 321ci 2-Cyl Horizontal (1934-1953)
• 60 — 321ci 2-Cyl Horizontal (1952-1956)
• 620 / 630 — 302.9ci 2-Cyl Horizontal (1956-1960)
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals such as Nickel which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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