What the Timing Gear Cover Does
The timing cover:
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Shields the timing belt and cam gears
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Prevents debris intrusion
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Protects against oil contamination
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Maintains safe belt operation
A damaged cover can shorten belt life or allow contamination that leads to premature failure.
Replaces OEM Part Numbers
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MD331250
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MD310415
⚠️ Always verify exact part number and engine year before ordering.
1 Set Engine Timing Gear Cover Car Accessories MD331250 MD310415 Compatible For Mitsubishi 4G63 4G64 Engine Timing Gear Cover
Description:
This timing gear cover Compatible For Mitsubishi 4G63 4G64
Part Number: MD331250 MD310415
Color: Black
Material: PP
Package Contents:
1 set upper and lower covers
Specification 1 : Engine timing gear
Specification 2 : MD331250
Specification 3 : timing gear cover
Specification 4 : Compatible For Mitsubishi 4G63 4G64
Specification 5 : MD310415
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Key Features
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Direct-fit replacement design
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Compatible with factory mounting points
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Durable construction
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Designed for proper belt clearance
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Restores OEM appearance
Translation: protection and proper fitment.
Ideal Applications
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Engine rebuild projects
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Timing belt service refresh
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4G63 / 4G64 restoration builds
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Replacing cracked or missing covers
Especially important on turbocharged 4G63 engines.
Installation Notes
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Inspect timing belt during cover removal
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Replace worn clips or bolts
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Ensure proper sealing alignment
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Confirm clearance around cam gears
Because rubbing timing covers create bigger problems.
Final Verdict
The Engine Timing Gear Cover (MD331250 / MD310415) is a necessary protective component for Mitsubishi 4G63 and 4G64 engines. Proper fitment, restored protection, and essential timing system shielding.
Because timing belts don’t like road debris.






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