Description
Chelsea M7-A-165 (also listed as 7-A-165 Chelsea) Filler Spacer Block or Shim
Used in Parker Chelsea 6‑bolt PTO (Power Take‑Off) assemblies. This steel shim provides the exact spacing required between PTO components to ensure proper gear alignment, correct backlash, and smooth PTO engagement.
Engineered to OEM specifications, the M7‑A‑165 maintains structural integrity under heavy‑duty torque loads and is commonly used during PTO installation, rebuilds, and service adjustments. Its 0.165‑inch thickness makes it one of the standard calibration shims used across multiple Chelsea PTO models.
Cross‑References
– 7‑A‑165
– 7A165
– PAR7‑A‑165 (Sadler Power Train SKU)






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