4YD76 (Type 4) DeVilbiss Compressor - Overview

Sections of the 4YD76

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SCREW #8-32X.375/.34 – Part Number: SUDL-9-1
SCREW #8-32X.375/.34
PartSelect #: PS12509515
Manufacturer #: SUDL-9-1
$5.95
  Special Order
Wire jumper 18 ga ye – Part Number: A04772
Wire jumper 18 ga ye
PartSelect #: PS16999321
Manufacturer #: A04772
$12.27
  Special Order
Wire – Part Number: A04771
Wire
PartSelect #: PS16999320
Manufacturer #: A04771
$12.27
  Special Order
SCREW – Part Number: A19123
SCREW
PartSelect #: PS12512659
Manufacturer #: A19123
$5.95
  Special Order
PUMP ASSEMBLY – Part Number: N087118SV
PUMP ASSEMBLY
PartSelect #: PS12522876
Manufacturer #: N087118SV
$198.91
  In Stock
TUBE SEAL – Part Number: N044359
TUBE SEAL
PartSelect #: PS12522478
Manufacturer #: N044359
This replacement tube seal is designed to prevent air leaks and maintain efficient compressor performance. Sold individually, it fits securely onto the outlet tube that connects to the head of the com...
$5.95
  In Stock
Connecting Rod Assembly – Part Number: N036518
Connecting Rod Assembly
PartSelect #: PS10049057
Manufacturer #: N036518
This genuine OEM replacement kit is designed for use with select air compressors and includes essential components to restore proper function. The kit comes with a piston rod, compression ring, cylind...
$76.34
  Special Order
KIT FASTENER – Part Number: KK-4929
KIT FASTENER
PartSelect #: PS18993076
Manufacturer #: KK-4929
  No Longer Available
Screw .250-20x.750 H – Part Number: 91895680
Screw .250-20x.750 H
PartSelect #: PS12466326
Manufacturer #: 91895680
This replacement screw is a genuine OEM sourced item commonly utilized on air compressors and pressure washers. It is a standard hardware which has multiple applications depending on the unit. Please ...
$6.53
  Special Order
VALVE SAFETY 150 .12 – Part Number: 97503734
VALVE SAFETY 150 .12
PartSelect #: PS12466664
Manufacturer #: 97503734
This safety valve is a genuine replacement part manufactured for use with air compressors. If the compressor's pressure switch malfunctions and does not turn the motor off when the amount of pressure ...
$12.99
  Special Order
QUICK CONNECT – Part Number: A16182
QUICK CONNECT
PartSelect #: PS12467162
Manufacturer #: A16182
This is a genuine replacement part manufactured for use with air compressors. The special quick connect threads into the regulator manifold and is used to link the air compressor hose. This quick conn...
$26.06
  Special Order
BELT TIMING – Part Number: AC-0815
BELT TIMING
PartSelect #: PS12497302
Manufacturer #: AC-0815
This is an OEM part sourced directly from the manufacturer. The belt is commonly found in Craftsman air compressors. This part is made of flexible rubber, and is used to transfer power between the p...
$44.85
  Special Order

Questions And Answers for 4YD76

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Common Symptoms of the 4YD76

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Worn piston rod and sleeve
Disassemble plastic housing around compressor unit using appropriate tools. Remove the four bolts from the compressor head using a 5/16 nut driver. Carefully remove head assembly including airline. Remove bolt through rod bearing with Allen wrench.

Reassemble with new rod and piston assembly. Best to use blue locktite on bolt through rod bearing when reassembling. Make sure to torque all bolts to specs listed.
Parts Used:
Connecting Rod Assembly
  • Donald from BRYAN, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers
7 of 11 people found this instruction helpful.
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The compressor was getting air
Put the seal in and it ran like a champ. No vacuum leak and it now runs again!
Parts Used:
TUBE SEAL
  • Linda from CARO, MI
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers, Socket set, Wrench set
3 of 7 people found this instruction helpful.
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