Caterpillar 3P1156 O-Ring

Caterpillar 3P1156 — O-Ring. Use the catalog reference and HEVISYNX SKU when requesting this item. Match the actual part and installation details before ordering.

Product details

• Reference brand: Caterpillar
• Catalog reference: 3P1156
• Part type: O-Ring
• HEVISYNX SKU: CAT_3P1156
• Sales unit: piece

Fitment verification

OEM compatibility reference: Cat 3P-1156

The Caterpillar parts catalog lists the following equipment categories and models for reference number 3P-1156. Category labels and model suffixes are retained from the OEM listing.

• GENERATOR: SR4
• TRUCK ENGINE: C7, C9, C-9, C13, 3126B, 3126E, 3114, 3116, 3126
• INTEGRATED TOOLCARRIER: IT62G, IT62H, IT12, IT28, IT18, IT24F, IT12B, IT14F, IT38G, IT14B, IT38F, IT28G, IT28F, IT28B, IT62G II, IT18F, IT18B, IT38G II
• WHEEL HARVESTER: 570B, 580B, 550, 570, 580
• GEN SET-MILITARY: 3608
• WHEEL SKIDDER: 535C, 535B, 545C, 525C, 525B, 508
• TRACK FELLER BUNCHER: TK711, TK732, TK722, TK721, TK752, TK751, TK741
• EXCAVATOR: 320-A L, 215B, 325B L, 320-A S, 320-A N, 324D, 325-A, 322B LN, 326D L, 214B, 322N, 322-A LN, 325C L, 213B, 322B, 322C, 224B, 212B, 325D L, 206B, 336D L, 205B, 330C FM, 322-A, 325B, 324D L, 325C, 325D, 322B L, 324D FM LL, 329D LN, M325D MH, 325-A L, 322 L, 320N, 320B, 320C, 211B, 320B S, E180, 320B N, 320B L, 330C, 330D, 320 L, M325D L MH, 325D FM LL, 325-A FM L, EL180, 325 LN, 325C FM, EL240B, EL240C, 325D FM, 325B LN, E240C, E240B, 325 L, 330C L, 330D L, 322-A L, E120B, 322-A N, 325-A LN, 328D LCR, 329D L, 324D FM, 214B FT, 330D LN, E110B, 322 LN, 320-A, 215, 329D, EL200B, 330C LN, E200B, 325D MH, 322C FM, 324D LN, M318, 330C MH, M320
• WHEEL TRACTOR: 613C II
• COMBINE HARVESTER: 460
• TRACK LOADER: 935C, 935B, 943, 953, 973C, 963B, 963C, 953B, 953C, 931B, 931C, 931C II, 935C II
• PETROLEUM TRANSMISSION: CX48, TH55-E70, TH53-E60, TH55FT-E90
• PETROLEUM ENGINE: C9, C7, 3126B, 2016, C175-16, C280-12, 3512E
• BACKHOE LOADER: 446D, 446B, 446
• AG TRANSMISSION: TA19-M4WD
• TELEHANDLER: RT80, RT100
• WHEEL LOADER: 960F, 950G, 962H, 950F, 962G, 986H, 950H, G926, G910, G916, 966D, 966F, 966E, 924F, 962G II, 928F, 938G, 926E, 938F, 918F, 928G, 950G II, 916, 926, 966F II, 938G II, 950F II
• COMPACT WHEEL LOADER: 910F, 910E, 910
• FORWARDER: 584, 574, 584HD
• INDUSTRIAL TRACTOR: TK381, TK371
• ARTICULATED TRUCK: D20D, D250D
• WHEELED EXCAVATOR: M330D, M325C MH, M325B
• INDUSTRIAL ENGINE: 3126, 3126B, 3116, 3114, 3204, C175-16, 3512, 3516, 3508, D398, D399, D379, D398B, C7, C9, C-9, D379B
• WHEEL SCRAPER: 613C, 637G, 637D, 627G
• LOGGER: 322C
• GAS ENGINE: G398, G399, G379A, G379, G3612, G3616, G3608
• BULLDOZER: D5C PAT, 4S, 4P, D5C PATLGP, 3S, 5A PAT, 3P, 4A
• PUMPER: SPP101, SPF743
• MATERIAL HANDLER: M325D MH, M325D L MH
• OFF HIGHWAY TRUCK: 796 AC, 794 AC, 793F, 798 AC, 793, 798
• MOTOR GRADER: 120H, 120K, 135H, 140M, 140K, 140G, 140K 2, 135H NA, 120H NA, 120H ES, 160, 150, 140, 12H, 12M, 12K, 160K, 160M, 120K 2
• WINCH: 54H, 53, 55, 54
• BACKHOE: D3, 931
• TRACK-TYPE TRACTOR: D3C II, D6R II, 30/30, D3B, D3C, D4B, D4H, D4C, D5C, D5M, D5N, D6M, D6N, D9T, D9R, DEUCE, D4C II
• KNUCKLEBOOM LOADER: 539
• ASPHALT PAVER: AP1055, BG-240C, AP-900B, AP-1050B, BG-260D, BG-260C, AP-755, BG-2455D, BG-2455C, AP-1000B, AP-1000D, AP-1050, AP-1055B, AP-1055F, AP-1055D, AP-1000, BG-245C
• MARINE ENGINE: 3126B, 3126, 3116, C7, 3516, 3512, 3508, 3616, D379A, 3612, D379B, D399, D398A, D398B, C280-16, C280-12, C175-16, C280-6, C280-8
• MARINE AUXILIARY: 3608
• PIPELAYER: 561N, 561M
• VIBRATORY COMPACTOR: CS-573, CP-533D, CP-533C, CS-583, CS-531D, CS-563, CS-531C, CS-533, CS-531, CS-533C, CS-533D, CP-563D, CP-563C, CB-634, CB-634C, CB-634D, CP-563, CB-434, CS-583C, CS-583D, CP-533, CS-573C, CS-573D, CS-563C, CS-563D
• MOBILE HYD POWER UNIT: 330D L, 329D L, 325D L, 325C, 325D, 330D, 324D LN, 330C
• PETROLEUM PACKAGE: TH55
• POWER PACKAGE: C7
• GENERATOR SET: D300GC, C9 GEN SET, C175-16GENSET, C9, C175-20, C175-16, D250GC
• ENGINE: C175-16, C175-20, 3512E, 3126, 3126E
• LOCOMOTIVE ENGINE: C175-16, C175-20, 3612
• EJECTOR TRUCK: 740
• COLD PLANER: PM-102
• CHALLENGER: 55, MT765, MT755, MT745, MT735, 65C, 65D, 35, 45, MTC735, MTC745, MTC755, MTC765
• GEN SET ENGINE: 3608, 3606, D398B, 3116, 3114, D379B, 3508, C280-16, D399, 3616, 3126B, 3512, 3516
• ENGINE - MACHINE: C9, 3116, 3114, 3204, C-9
• RIPPER: 953B, 953, 943, 3, 4
• COMBINE: 470, 465, 460
• TRUCK: 793F XQ, 794 AC, 793F CMD, 793F OEM, 797, 795F XQ, 793F, 772G, 797F, 797B, 795F AC, 793F AC
• WHEEL FELLER BUNCHER: TK370, TK380, 543, 533, 573

Configuration and fitment notice: This OEM catalog list is a reference, not a guarantee that the HEVISYNX item fits every machine or configuration. Equipment modifications can affect compatibility. Ask a Cat dealer to confirm suitability for the machine's current configuration and condition before purchase. The manufacturer's fit indicator does not guarantee compatibility for every part. No serial-number ranges are specified in this public model list.

Before ordering, send the machine model and serial number, the original part reference, and clear photos of the removed part. Include the sealing location, dimensions, profile, and photos of the sealing surfaces for comparison. Fitment must be checked against the actual machine and removed part.

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