Caterpillar 3S9643 Rotating Shaft Lip Type Seal

Caterpillar 3S9643 — Rotating Shaft Lip Type Seal. 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: 3S9643
• Part type: Rotating Shaft Lip Type Seal
• HEVISYNX SKU: CAT_3S9643
• Sales unit: piece

Fitment verification

OEM compatibility reference: Cat 3S-9643

The Caterpillar parts catalog lists the following equipment categories and models for reference number 3S-9643. Category labels and model suffixes are retained from the OEM listing.

• GENERATOR: SR4B, SR4BHV, WEG, SR500, XQP500, XQP550, SR4, SR5, LC51XX
• TRUCK ENGINE: 1673C, 3306C, 3306B, C-10, C-12, C-18, C-15, C-16, 3306, 3116, 3126, C9, 3176, 3408B, 3406E, 3406C, 3406B, C-9, C11, C13, C16, C15, C18, 1674, 1676, 1693, 3408, 3406, 3208, 3176B
• WHEEL TRACTOR-SCRAPER: 627, 623, 621, 637, 632, 631, 623K LRC, 631K, 637K, 627K LRC, 623K, 621K, 627K, 657, 651
• POWER PACK: C18
• SPL EXCAVATOR BASED SOLN: OEM-PM
• GEN SET-MILITARY: 3608
• ROTARY DRILL: MD6310, MD6250, MD6200, MD6540C, MD6380
• TRACK FELLER BUNCHER: 2290, 2491, TK732, TK1051, TK722, 552 2, TK721, TK752, TK751, 541 2, TK741, 2390, 2391, 2590, TK711, 511, 522, 521, 521B, 532, 522B, 541, 551, 552
• UNDERGROUND ARTICULATED TRUCK: AD22
• EXCAVATOR: 345B II, 349D L, 375-A L, 336D2 L, 374F L, 385C FS, 345B, 345C, 345D, 349F L, 385C L, 374D L, 330C FM, 349D, 349E, 349F, 345B L, 385B, 385C, 345D L, 365C L, 345B II MH, 336D2 L XE, 365C, 365B, 349F LXE, 390D, 390F, 350-A, 336D LN, 349E L VG, 349D2, 330C L, 336D2, 352 UHD, 349, 349D2 L, 352, 355, 330C LN, 395, 365B II, 374, 330C MH, 345C MH, 336D, 349E L, 3101, 352F XE VG, 330D FM, 352F-VG, M325C, 365C L MH, 336D L, 350-A L, 352F, 374F, 345C L, 336D2 GC, 245D, 330C, 330D, 245B, 390F L, 365B L, 336D2 LXE, MH3295, 340D2 L, 390D L, 330D L, 330D MH, 330D LN, 345D L VG, 340D L, 336D2 XE, 385C L MH, 375-A, 245
• WATER FORDING TRACTOR: D7R II
• SHOVEL: 6040
• WHEEL TRACTOR: 660B, 641B, 666B, 623B, 623G, 623H, 623E, 623F, 621B, 621E, 621F, 621G, 621H, 627B, 627G, 627H, 627E, 627F, 650B, 633E II, 651B, 651E, 631K, 631D, 631E, 631C, 631G, 621K OEM, 627, 621, 637, 641, 651, 657, 666, 633C, 657E, 657B, 633D, 657G, 639D, 637G, 637D, 637E, 637K
• ROTARY MIXER: RM800, RM500B
• MARINE POWERTRAIN: C12
• HEX BASED SPL SOLUTION: 352F OEM
• HYDRAULIC CONTROL: 183B
• VEHICULAR ENGINE: 3516, 3512, D346, D348, D349
• TRACK LOADER: 973C, 973D, 983B, BS3GII, 983
• SOIL COMPACTOR: 825, 815F, 825H, 825G, 825K, 825C, 825B, 815F II, 825G II
• PETROLEUM ENGINE: 3508C, 3508B, C9, 3412E, C-15, 3516, 3512, C15, C13, C18, C11, C27, 2016, C32, 3516C, 3516B, C280-12, 3512E, 3512C, 3512B
• PETROLEUM TRANSMISSION: TH48-E80, CX38-P892
• WHEEL DOZER: 854G, 854K, 834G, 834H, 834B, 834K, 814B, 814F, 844H, 844K, 834, 824B, 844, 854, 824H, 824G, 824C, 824K, 814F II, 824, 824G II
• LANDFILL COMPACTOR: 836, 826, 826G II, 816F II, 826C, 826B, 826G, 826H, 826K, 836H, 836G, 836K, 816F
• PETROLEUM GEN SET: C27, C15, C18, C32, 3512B, 3512C
• WHEEL LOADER: 982XE, 960F, 988 XE, 986H, 986K, 980XE, 988B, 988G, 988H, 988F, 988K, 966F, 966H, 924G, 988F II, 986, 980, 982, 988, 995, 994, 990, 993, 992, 980G II, 988K XE, 982 XE, 980 XE, 980K HLG, 990K, 990H, 993K, 992D, 992B, 992C, 992G, 992K, 994F, 994D, 994K, 994H, 966G II, 972H, 988GC, 950F, 990 II, 980GC, 980F II, 972G II, 980B, 980C, 980F, 980H, 980G, 980L, 980K, 980M, 982M, 950F II
• SOIL STABILIZER: SS-250B, SS-250
• ARTICULATED TRUCK: D35HP, D400E II, D400E, D400D, 740 GC, 730C, 725, 740, 735C, 735B, 745, 730, 735 OEM, 735, 730C2, D350E, D350E II, 730 EJECTOR, 740C, 740B, 745C, D400, D40D
• WHEELED EXCAVATOR: W345C MH, M330D, W345B II
• ENGINE - INDUSTRIAL: CG170-16, C15, LD700E, 3512B, 3406B, 3406C, 3516B, 3561B
• INDUSTRIAL ENGINE: 3304, 3306, 3512, 3516, C-12, C-15, C-10, C-16, 3508, G3520, C9, 3306B, G3520H, C32B, 3412E, 3412C, C32, C27, C18, 3456, 3176C, 3176B, 3412, 3406, 3508B, D398, D399, D379, 3516B, 3516C, 3406E, 3406B, 3406C, D343, D348, D349, D346, D398B, 3408E, 3408B, 3408C, 3512E, 3512B, 3512C, D333C, 3196, C-9, C11, C13, C15, D330C, D379B
• QUARRY TRUCK: 777E, 775D, 775B, 773E, 771D, 771C, 772G, 770G
• WHEEL SCRAPER: 666B, 621E, 621F, 621B, 623F, 623E, 627G, 627F, 627E, 651E, 631G, 657G, 657E, 657B, 637K, 637E, 637G, 637D, 627, 666, 637, 657
• SPRAY AR: CAT WDS
• GAS ENGINE: G333C, G379A, G3306, G3512H, G3512E, G3512B, G3512J, G3612, G3616, G3608, G3412, G3408C, G3408B, G3516J, G3516E, G3408, G3406, G3516C, G3516B, G398, G399, G343, G379, G3520B, G3520J, G3508J, CG137-12, G3508B, G3520, G3512, G3516, G3508
• TRACTOR: 784C, 784B, 768C, 768B, 772B, 772, 776, 776D, 776C, 776B
• BULLDOZER: 834U, 834S, 8SU, 10SU, 10C, 11U, 10S, 10U, 824S, 825, 9SU, 11SU, 8S, 8U, 9C, 9U, 9S, 8A
• PUMPER: SBF214, SPS342, SPS343, HT400, SPF343, SCT673, CPT372, SPF743, SPF343C, SPT343, SPT342, SUF557
• UNDERGROUND ART TRUCK: AE40, AE40 II, AD45B, AD60, AD55, AD63, AD30, AD45, AD40, AD22, AD55B
• POWER MODULE: XQC1200, 3516B, 3516C, XQC1600, OEM POWER, XQG400, PM3456, PM3412, TR43-C18L, PMG3516, XQ2280, PP3516, C32, C18, PM3508, PM3516, PM3512
• SHOVEL LOGGER: 345C
• LOAD HAUL DUMP: R1600G, R1600H, R1700 II, R1600, R2900, R2900 XE, R1700G, R3000H, R2900G, R1700
• SITE PREP TRACTOR: 586C
• REMAN ENGINE: 3516B, 3406E
• MATERIAL HANDLER: MH3260, MH3295
• OFF HIGHWAY TRUCK: 777G, 777E, 796 AC, 794 AC, 773GC, 798 AC, 785D, 789G, 789D, 3508B, 772, 770, 793D, 777, 775, 773, 793F, 789, 785, 793
• LOAD, HAUL, DUMP: R1700K
• MOTOR GRADER: 140M 2, 24H, 24M, 160H, 160M, 16H NA, 14M-3, 24, 16, 14, 18, 163H, 140M, 140H, 143H, 160M 2, 18M3, 16M, 160, 16H, 16G, 14L, 150, 14M, 16GC, 14H, 12H, 12G, 14M3, 16M3
• WINCH: 59, 58, 57H, 59N, 59L, 58L
• OEM SOLUTIONS: 3412C
• ROTARY CUTTER: RC7, RC20
• HYDRAULIC SHOVEL: 6020, 6018, 6015, 6040, 6030, 6030 T4, 6030 T2, 6020B, 6015B, 6015 FS, 6040 FS, 6060
• TRACK-TYPE TRACTOR: D10, D11, D8 GC, D6R II, D6R, D6T, D7R XR, D8 XE, D6R XL, D8GC, D7R, D8T, D8R, D8K, D8L, D8N, D8H, D9T, D9R, D9L, D9N, D6R LGP, D6R III, D9 GC, D7R SERIES, D9, D8, D10N, D10R, D10T, D11N, D11R, D11T, D7R LGP, D10T2, D6R STD, D8R II, D7R II
• MARINE ENGINE: 3196, 3126, 3116, 3176C, 3176B, C32 MARINE, 3304, 3306, C9, C7, 3516, 3512, C18 MARINE, 3508, C-12, C18, C12, D379A, D379B, C15, D330C, 3408B, 3408C, 3406B, 3406C, 3406E, C140, D398A, D398B, 3516B, 3516C, 3516E, 3512C, 3512E, C280-16, C280-12, C32B, 3512B, D333C, 3126B, C12 MARINE, C30, C32, 3412, 3408, 3406, 3616, 3612, D399, 3508C, 3508B, D349, D346, D348, 3412C, 3412E, 3412D, C280-6, C280-8
• MARINE AUXILIARY: 3512, 3508, 3516C, 3516B, 3512C, 3512B, C32, 3608, C32B, 3508B, 3508C
• PIPELAYER: 587T, 587R, 578, PL83, PL87, PL72, 583T, 583R, 583K, 572R II, 589
• STABILIZER MIXER: SM-350
• MINING EXCAVATOR: 5230B, 5130, 5110B, 5230, 5130B
• EXPANDED MINING PRODUCTS: LD350
• FRONT SHOVEL: 385C, 5080, 5090B
• ENGINE - GENERATOR SET: 3508B
• MOBILE HYD POWER UNIT: 330D L, 365C L, 390F, 349D L, 385C L, 336D L, 349E L HVG, 349E, 345D, 345C, 349D2, 345C L, 385C, 352FMHPU, 340D2 L, TH43-C18, 336D, 330D, 330C
• PETROLEUM PACKAGE: TH48-E80, TH48-E70, CX35-P800, 3508, CX31-C15I, TH31-C9P, CX31-C13I, C18, CX31-C18I, CX35-C18I
• RIPPER SCARIFIER: 16G
• POWER PACKAGE: G3406
• GENERATOR SET: DE1400, DE500, G3520, G3516, G3512, G3508, 3508, 3412C, D1500, XQ1140, D500GC, C13GENSET, DE605GC, DG500, D400GC, 3516, 3512, DE660GC, D300GC, C18 GEN SE, XQ425, D1250, DE600SGC, D550GC, 3516C GEN, G3516B, G3516C, D1000, G3516E, D600 GC, G3516H, 3508C, G3516K, 3508B, C9, D450GC, DE1250S, 3516B GEN, D350GC, XQP300, C18 I6, DE450SGC, D250GC, G3512E, G3512H, 3516C GEN SET, G3512K, G3406, C13 XQ375, DE630, C18 GENSET, C13 XQ350, G3412, DG400, DE450GC, C15 GENSET, 3412, C32 GEN SET, CG137-12, DE715GC, C18, C15, C13, C32 GENSET, C15 I6, DE550GC, C18 MARINE GS, 3456, DG450, DE1500, C18 GEN SET, DE1000S, C9 GEN SET, C175-16GENSET, DG350, SR5, C27, C32, D800, C15 GEN SE, XQP1100, C175-20, DE500SGC, C175-16, G3412C, DE1250, G3520C, G3520B, G3520E, G3520H, G3520K, 3512C, 3512B, 3408C, DE500GC, C32B, 3406C, 3406E, 3516C, 3516B, 3516E
• RECLAIMER MIXER: RM-350B, RM-350, RM800, RM500B, RM-300, RM-500, RM-250C
• ENGINE: C32 MARINE, C175-20, G3412, G3408C, 3512E, 3512B, 3512C, G3516C, G3516J, G3516H, 3516C, 3516E, G3406, G3408, C32 INDUSTRIAL, 3516PETROLEUM, C15, C18, C9 INDUSTRIAL, 3508PETROL, C13B, C32B, C32B INDUSTRIAL, G3520, G3520J, G3520H, G3412C, 3512PETROL, C27 INDUSTRIAL
• LOCOMOTIVE ENGINE: 3516, 3512, C18, 3516C, 3516B, 3612, 3512E, 3512C, 3512B, C175-16, C175-20, C32, C27, 3508, C32B, 3508C, 3508B
• EJECTOR TRUCK: 730C, D400E II, 740B, 730C2 EJ, 740, 730
• COLD PLANER: PM820, PM825, PM822, PM620, PM622, PR-750B, PM-565B, PR-1000, PR-450C, PM-465, PM-200, PM-201, PR-1000C, PR-450, PM-565
• COMBAT VEHICLE ENGINE: C13
• ROAD RECLAIMER: RM800, RR-250B, RM600, RM500B, RM-350B, RM500, RR-250
• WIDE BODY TRUCK: 707
• GEN SET ENGINE: 3406C, 3406E, 3406B, 3408B, 3408C, 3608, 3606, G3412C, 3516B, G3520B, C13GENSET, 3512B, 3456, 3412, 3412C, D399, 3616, DE800S, 3406, 3408, D398B, DE1100, 3306B, POWER SYS, G3520, G3516C, G3516B, G3508, C15 GEN SE, G3516, G3512, 3508B, D379B, C-12, 3508, C280-16, 3512, 3516
• CHALLENGER: 75, MT765, MT755, MT745, MT735, 75D, 75C, 75E, 95E, MTC735, MTC745, MTC755, MTC765, MT865, MT855, 65C, 65E, 65D, MT845, MT835, 85C, 85E, 85D, MTC855, MTC865, MTC835, MTC845
• ENGINE - MACHINE: 3516C, C-12, C9, C27, C4.4, C-9, 3408, 3176C
• ROTARY/TRACK DRILLS: MD5075, MD5150C, MD6290, MD5125, MD5075C
• RIPPER: 8D, 11, 10, 9, 8
• OFF-HIGHWAY TRUCK: D10R
• TRUCK: 773G LRC, 775G, 775F, 793F OEM, 775E, 775D, 777C, 777B, 777D, 777G, 777F, 775G OEM, 785, 789, 793, 797, 770G, 793D, 793B, 793C, 793F, 772G, 773E, 773D, 773G, 797F, 773F, 797B, 773B, 769, 772, 770, 773, 777, 775G LRC, 794 AC, 793F CMD, 772G OEM, 789C, 789D, 789B, 769B, 770G OEM, 769D, 769C, 69D, 785G, 773G OEM, 785C, 785D, 785B
• POWERTRAIN: TR43E44-C13BL, TR43M44-C13B

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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