66-501 (Type-0) Delta Compressor - Overview

Sections of the 66-501

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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
SCREW – Part Number: A19123
SCREW
PartSelect #: PS12512659
Manufacturer #: A19123
$5.95
  Special Order
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
  In Stock
REGULATOR 4PORT P1P2 – Part Number: D27256
REGULATOR 4PORT P1P2
PartSelect #: PS18991718
Manufacturer #: D27256
  No Longer Available
KIT FASTENER – Part Number: KK-4929
KIT FASTENER
PartSelect #: PS18993076
Manufacturer #: KK-4929
  No Longer Available
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
ISOLATOR PUMP – Part Number: CAC-1254
ISOLATOR PUMP
PartSelect #: PS12497483
Manufacturer #: CAC-1254
This item has been sourced from the original manufacturer and is intended to be used with air compressors from Porter Cable, Delta, DeVilbiss, Black & Decker, and DeWalt. The rubber isolator fits betw...
$5.95
  Special Order
VALVE PLATE ASSY – Part Number: N017592SV
VALVE PLATE ASSY
PartSelect #: PS12517182
Manufacturer #: N017592SV
Genuine Porter Cable replacement part, this item is sold individually. Head Gasket Sold Separately. This part is used in the all of the compressors models listed below. When air is pumped by the pisto...
$28.61
  In Stock
STANDPIPE BRASS MALE – Part Number: AC-0027-2
STANDPIPE BRASS MALE
PartSelect #: PS12517449
Manufacturer #: AC-0027-2
  No Longer Available
SCREW .250-14X.625 F – Part Number: SSF-621
SCREW .250-14X.625 F
PartSelect #: PS12533928
Manufacturer #: SSF-621
This is a genuine replacement part sourced directly from the manufacturer. The screw is commonly found in compressors and generators from Porter Cable, Delta, DeWALT, DeVilbiss, and Black & Decker. ...
$5.95
  Special Order
SCREW #10-9X.500 THD – Part Number: SSF-3156
SCREW #10-9X.500 THD
PartSelect #: PS12523890
Manufacturer #: SSF-3156
This is a genuine manufacturer-sourced replacement screw which is specially produced for use with portable generators and air compressors. Make sure to refer to the appropriate diagrams of your model ...
$5.95
  Special Order

Questions And Answers for 66-501

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Common Symptoms of the 66-501

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Air leak
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
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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Broken ground on original plug
Removed cover & old cord.
Replaced with new cord & replaced cover.
Works perfect.
Parts Used:
AC CORD
  • Debra from PRESCOTT VLY, AZ
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
2 of 2 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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