66-500 (Type-0) Delta Compressor - Overview

Sections of the 66-500

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Keep searches simple, eg. "belt" or "pump".
NIPPLE 1/4-18 NPT X – Part Number: SSP-480
NIPPLE 1/4-18 NPT X
PartSelect #: PS12533936
Manufacturer #: SSP-480
  No Longer Available
KIT FASTENER – Part Number: KK-4929
KIT FASTENER
PartSelect #: PS18993076
Manufacturer #: KK-4929
  No Longer Available
SCREW – Part Number: A19123
SCREW
PartSelect #: PS12512659
Manufacturer #: A19123
$7.44
  Special Order
REGULATOR 4PORT P1P2 – Part Number: D27256
REGULATOR 4PORT P1P2
PartSelect #: PS18991718
Manufacturer #: D27256
  No Longer Available
STANDPIPE BRASS MALE – Part Number: AC-0027-2
STANDPIPE BRASS MALE
PartSelect #: PS12517449
Manufacturer #: AC-0027-2
  No Longer Available
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...
$77.89
  On Order
BOLT .375-16X2.25 UN – Part Number: CAC-60
BOLT .375-16X2.25 UN
PartSelect #: PS12513336
Manufacturer #: CAC-60
This is an authentic replacement part, sourced from the original manufacturer for use with generators and air compressors. The shoulder bolt is used with several different types of equipment and the a...
  No Longer Available
CLAMP HOSE .250 ID – Part Number: CAC-1206-1
CLAMP HOSE .250 ID
PartSelect #: PS12513333
Manufacturer #: CAC-1206-1
This replacement hose clamp is designed for use in various compressor models and serves an important role in securing hoses to specific parts of the unit. Whether you're performing maintenance or repl...
$7.44
  In Stock
ASSY CORD POWER ST – Part Number: SUDL-413-2
ASSY CORD POWER ST
PartSelect #: PS12509514
Manufacturer #: SUDL-413-2
This is an authentic Craftsman replacement part that has been sourced from the original manufacturer to be used with air compressors. The three wire cord is encased in a durable jacket and includes te...
  No Longer Available
SCREW #8-32X.375/.34 – Part Number: SUDL-9-1
SCREW #8-32X.375/.34
PartSelect #: PS12509515
Manufacturer #: SUDL-9-1
$7.44
  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...
$47.91
  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 ...
$7.44
  Special Order

Common Symptoms of the 66-500

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Air leak
Fixed by
these parts
Fixing Fixing Fixing
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No compressed air
Fixed by
these parts
Fixing
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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 12 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
4 of 8 people found this instruction helpful.
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