Minneapolis-Moline Spark plug — Spark plug, 14 mm, 3/8″ reach, medium-hot (J8) (10R49)

Verified

Minneapolis-Moline spark plug 10R49: Spark plug, 14 mm, 3/8″ reach, medium-hot (J8).

Part number and description per the MolineParts.com reference chart, traceable to printed Minneapolis-Moline publications. Confirm against your serial number and parts book before ordering.

Sources & Verification Notes

Status: Verified

Primary source: MolineParts.com — MM Parts Reference Charts tier 3

Last checked: 2026-06-04