2666321 U-BOLT Caterpillar parts
320C, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321C, 321D LCR, 323D L, 323D LN, 323D SA
Rating:
Alternative (cross code) number:
CA2666321
266-6321
2666321
CA2666321
266-6321
2666321
Weight: 0.98 pounds 0 kg.
Information:
DIAMETER
10
mm
HEIGHT
351
mm
MATERIAL
Stainless Steel - 517 MPa Min Tensile Strength
NUMBER OF BENDS
1
THREAD LENGTH
0000045.0000
mm
THREAD SIZE
M10X1.25
WIDTH
292
WIDTH BETWEEN CENTERLINE THREAD
302
EXCAVATOR, MOBILE HYD POWER UNIT,
You can buy:
US$39.00
28 May 2025
FridayParts
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Threetrees 2666321 266-6321 C6 C6.4 Engine Muffler U Bolt 2 Pk Fits Caterpillar Cat E320D E323D
THREETREES 2666321 266-6321 C6 C6.4 Engine Muffler U Bolt 2 Pk Fits Caterpillar Cat E320D E323D
THREETREES 2666321 266-6321 C6 C6.4 Engine Muffler U Bolt 2 Pk Fits Caterpillar Cat E320D E323D
CTP 2666321 U-Bolt for Heavy Equipment
CTP U-Bolt Only || Sold in each || Easy in-and-out fit
CTP U-Bolt Only || Sold in each || Easy in-and-out fit
Number on catalog scheme:
4
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Compatible equipment models: 2666321:
Information:
Engine:
C7 (S/N: JRA1-UP; JTF1-UP)
C9 (S/N: C9E1-UP; X3R1-UP)
Generator Set:
C9 MARINE GS (S/N: C9A1-UP)
C9 MARINE GEN (S/N: SJB1-UP)
Industrial Engine:
C9 INDUSTRIAL (S/N: JSC1-UP; MBD1-UP; JLW1-UP)
Marine Engine:
C7 MARINE (S/N: C7D1-UP; C7Z1-UP)
C9 MARINE (S/N: C9B1-UP; X9X1-UP; CSN1-UP; Z9X1-UP)
Engine News SEBD9408, 24 July 2006, "A New Backup Ring for the Fuel Injector Group is Now Available ". Disregard this article. See the article that follows.A new 293-0730 Backup Ring has been released for use in all C7 and C9 Marine Engines and Industrial Engines. The new backup ring improves the sealing of the fuel injectors. The new backup ring must be used in conjunction with the O-rings that are listed below. Refer to Illustration 1 for the locations of the O-rings and the backup rings.If oil is leaking past the injectors and/or if a 164-11 diagnostic code is logged, replace all of the O-rings and backup rings.If one O-ring needs to be replaced, Caterpillar recommends replacing all O-rings and all of the backup rings on all of the injectors.
Illustration 1 g01290015
(1) 238-8091 Fuel Injector Gp (2) 293-0730 Backup Ring (3) 148-2903 O-Ring Seal (4) 149-5240 Backup Ring (5) 109-3207 O-Ring Seal
C7 (S/N: JRA1-UP; JTF1-UP)
C9 (S/N: C9E1-UP; X3R1-UP)
Generator Set:
C9 MARINE GS (S/N: C9A1-UP)
C9 MARINE GEN (S/N: SJB1-UP)
Industrial Engine:
C9 INDUSTRIAL (S/N: JSC1-UP; MBD1-UP; JLW1-UP)
Marine Engine:
C7 MARINE (S/N: C7D1-UP; C7Z1-UP)
C9 MARINE (S/N: C9B1-UP; X9X1-UP; CSN1-UP; Z9X1-UP)
Engine News SEBD9408, 24 July 2006, "A New Backup Ring for the Fuel Injector Group is Now Available ". Disregard this article. See the article that follows.A new 293-0730 Backup Ring has been released for use in all C7 and C9 Marine Engines and Industrial Engines. The new backup ring improves the sealing of the fuel injectors. The new backup ring must be used in conjunction with the O-rings that are listed below. Refer to Illustration 1 for the locations of the O-rings and the backup rings.If oil is leaking past the injectors and/or if a 164-11 diagnostic code is logged, replace all of the O-rings and backup rings.If one O-ring needs to be replaced, Caterpillar recommends replacing all O-rings and all of the backup rings on all of the injectors.
Illustration 1 g01290015
(1) 238-8091 Fuel Injector Gp (2) 293-0730 Backup Ring (3) 148-2903 O-Ring Seal (4) 149-5240 Backup Ring (5) 109-3207 O-Ring Seal
Cat SIS web machinery list:
Parts u Caterpillar catalog:
120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 320D FM, 814F, 815F, 816F, 824C, 824G II, 824H, 825G II, 825H, 826G II, 826H, 966G ...
2384C, 2470C, 2484C, 2570C, 2670C, 2864C, 315, 317, 318C, 319C, 320 L, 320B, 320B FM LL, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN...
311C, 311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313D, 313D2, 313D2 LGP, 315C, 315D L, 316E L, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 3...
314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 320 L, 320C, 320D FM RR, 320D LRR, 320D RR, 320E LRR, 320E RR, 320N, 321C, 321D LCR, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 324E, 324E L, 324E LN, 325,...
315D L, 318C, 318D L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 321C
320B, 320B FM LL, 320B L, 320C, 321B, 321C, 321D LCR, 322B, 322B L, 322B LN, 325B, 325B L, 328D LCR, 330B, 330B L, 375, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 5080, 5090B, 554, 564, 574...
1920671
U-BOLT
320D FM, 735, 740, HH44 DE
320D FM, 735, 740, HH44 DE
2825661
U-BOLT
320C, 320D, 320D L
320C, 320D, 320D L
0951191
U-BOLT
321C
321C
1495137
U-BOLT
365B, 365B L, 390F L, 533
365B, 365B L, 390F L, 533
320C, 320C FM
1661212
U-BOLT
550, 550B, 560B, 570, 570B, 580, 580B
550, 550B, 560B, 570, 570B, 580, 580B
320 L, 320B, 322B L, 325, 325 L, 325 LN, 325B, 325B L, EL240B, M325B
322B LN, 322C, 322C FM, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325B L, 325C, 325C FM, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 328D LCR, 329D, 329D L, 329D LN, 330, 330 FM L, 330 L, 33...
1599528
U-BOLT
574
574
4521363
U-BOLT
SAT318T, SAT322
SAT318T, SAT322
4387963
U-BOLT
SAT420
SAT420
4375869
U-BOLT
SAT420, SAT630
SAT420, SAT630
3746038
U-BOLT
320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 323D2 L
320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 323D2 L
3746028
U-BOLT
320D GC, 320D L, 323D L
320D GC, 320D L, 323D L
2825661
U-BOLT
320C, 320D, 320D L
320C, 320D, 320D L