Caterpillar 8M4986 O-Ring

Caterpillar 8M4986 — 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: 8M4986
• Part type: O-Ring
• HEVISYNX SKU: CAT_8M4986
• Sales unit: piece

Fitment verification

OEM compatibility reference: Cat 8M-4986

The Caterpillar parts catalog lists the following equipment categories and models for reference number 8M-4986. Category labels and model suffixes are retained from the OEM listing.

• TRUCK ENGINE: 3406B, 3406
• WHEEL TRACTOR-SCRAPER: 637, 631, 631K, 613G, 637K
• TRACK SKIDDER: D5HTSK II, 527, 517, D4HTSK III
• WHEEL SKIDDER: 518C, 535C, 535B, 545C, 528B, 525C, 525B, 525, 518, 515, 528, 545, 530B
• MINI HYD EXCAVATOR: 302.2D, 301.7D, 302.7D
• WATER FORDING TRACTOR: D7R II
• WHEEL TRACTOR: 650B, 633E II, 651B, 651E, 660B, 631K, 615C II, 631D, 631E, 631C, 631G, 641B, 666B, 613, 611, 627, 621, 623, 637, 641, 651, 657, 666, 623B, 623E, 623F, 621B, 633C, 657E, 657B, 621R, 621E, 621F, 633D, 657G, 639D, 615C, 627B, 627E, 627F, 637G, 613B, 637D, 637E, 637K
• HYDRAULIC CONTROL: 193B, 173B, 183B
• VEHICULAR ENGINE: D346, D348, D349
• TRACK LOADER: 983, 973C, 977H, 977K, 977L, 955H, 955K, 955L, 983B
• PETROLEUM TRANSMISSION: TH31-E61, TH55-E70, TH48-E70, TH35-E81, TH55FT-E90
• SOIL COMPACTOR: 825, 815, 825H, 825G, 825K, 825C, 825B, 815F II, 815K, 815B, 815F, 825G II
• WHEEL DOZER: 854G, 854K, 844H, 844K, 834, 824B, 844, 834G, 834H, 834B, 834K, 854, 814B, 824H, 824G, 824C, 824K, 814F II, 814K, 814F, 814, 824, 824G II
• LANDFILL COMPACTOR: 836, 826, 826G II, 816F II, 816K, 836H, 836G, 836K, 816, 826C, 826B, 826G, 826H, 826K, 816B, 816F
• GRAPPLE: 120C, 518, 125C
• WHEEL LOADER: 960F, 972G, 972H, 972K, 972M, 972L, 988GC, 950B, 950E, 950F, 986H, 986K, 988B, 988G, 988H, 988F, 988K, 966D, 966C, 966F, 966E, G936, 966H, 966G, 966L, 966K, 966M, 966R, 814K, 936E, 936F, 990 II, 966, 972, 966 GC, 988F II, 986, 980, 982, 980GC, 988, 995, 994, 990, 993, 992, 920, 980G II, 930, 936, 980F II, 966F II, 980K HLG, 950B/950E, 990K, 990H, 972G II, 993K, 980B, 992D, 992B, 980C, 992C, 980F, 980H, 980G, 992G, 980L, 980K, 992K, 980M, 994F, 994D, 970F, 994K, 994H, 966G II, 982M, 950F II
• ARTICULATED TRUCK: D20D, D35HP, D30C, D30D, D250E II, D35C, D250E, D250D, D250B, D25D, D25C, D350E, D350D, D350C, D350E II, D400E II, D300E II, D300E, D300D, D300B, D400E, D400D, D400, 725, D40D, 740, 730, 735 OEM, 735
• ENGINE - INDUSTRIAL: 3516B
• INDUSTRIAL ENGINE: C7.1, D348, D349, D346, C9.3B, D353C, D353E, D353D
• QUARRY TRUCK: 777E, 775D, 775B, 773E, 771D, 771C
• WHEEL SCRAPER: 666B, 621E, 621B, 657E, 657B, 623E, 637K, 613B, 627G, 627F, 627E, 615C, 613, 666, 637, 657
• TRACTOR: 772B, 784C, 784B, 772, 776, 776D, 776C, 776B, 768C, 768B
• GAS ENGINE: G353D
• BULLDOZER: 977A, 824S, 834U, 834S, 6, 825, 9SU, 8SU, 955, 10SU, 7SU, 6SU, 11SU, 7S LGP, 8S, 8U, 9C, 9U, 9S, 4S, 4P, 10C, 6A, 6S, 11U, 7A, 10S, 7S, 7U, 10U, 8A
• FELLER BUNCHER: FB518
• PUMPER: SPF343
• UNDERGROUND ART TRUCK: AE40, AE40 II, AD45B, AD55B, AD60, AD55, AD63, AD30, AD45, AD40
• POWER MODULE: TR43, OEM POWER, C7, TR43-C18L, TR43-E44
• LOAD HAUL DUMP: R1600G, R1600H, R1700G, R3000H, R1700 II, R2900G, R1300, R1600, R1700, R2900, R1300G
• OFF HIGHWAY TRUCK: 789G, 789D, 793D, 775, 773, 793F, 785D, 789, 785, 793
• LOAD, HAUL, DUMP: R1700K
• WINCH: 528, 518, 54H, 57H, 56H, 56, 59, 58, 59N, 59L, 58L
• MOTOR GRADER: 16, 24H, 24M
• OEM SOLUTIONS: TR35E44-C9.3BL, 3412C
• TRACK-TYPE TRACTOR: D5K LGP, D6R III, D6G2 LGP, D6H II, D6XE, D10, D11, D8 GC, D5R LGP, D4K XL, D9 GC, D4H III, D6R II, 30/30, D3G, D7R SERIES, D6K2 LGP, D4G, D4H, D5R2, D6N OEM, D5B, D3K XL, D5M, D5N, D5H, D5E, D5G, D6R LS, D6C, D6D, D6N XL, D6R, D6T, D6M, D6N, D6K, D6E, D6G, D6H, D9, D2, D1, D3, D6, D5, D8, D7, D4K LGP, D4K2 LGP, D6N LGP, D5K2 LGP, D3K2 LGP, D10N, D10R, D10T, D4E SR, D11N, D11R, D11T, D4K2 XL, D7R XR, D6H XL, D6H XR, D6T LGP, D6GC, D7R LGP, D3K2 XL, D6T LGPPAT, D6R XL, D6K2 XL, D6T XW, D5H XL, D6T XL, D8GC, D5R XL, D7G2, D6K LGP, D7R, D7F, D7G, D7H, D8T, D8R, D8K, D8L, D10T2, D8N, D8H, D9G, D6R STD, D6K XL, D9T, D9R, D9L, D9N, D6T XL PAT, D9H, D6T XW PAT, DEUCE, D6G2 XL, D4H XL, D6K2, D5K XL, D5K2 XL, D7R II, D6R LGP, D3K LGP
• TRANSMISSION-MILITARY: 7155
• MARINE ENGINE: D353E, D353C, D353D, D349, D346, D348
• PIPELAYER: 572R II, 587R, 578, 561N, 561M, 572R, 561D, 561C, PL83, PL87, PL72, 583T, 583R, 572G, 583K, 571G, 589, 594H, 594
• MINING EXCAVATOR: 5110B
• ENGINE - GENERATOR SET: 3508B
• PETROLEUM PACKAGE: TH31-E61, TH55, TH35-E81
• MOBILE HYD POWER UNIT: TH43-C18
• GENERATOR SET: 3508B
• MARINE TRANSMISSION: 7261, 7211, 7221
• EJECTOR TRUCK: D400E II, 740, 730
• CHALLENGER: 55, 65, 75, 65C, 65B, 65E, 65D, 75D, 75C, 75E, 85C, 85E, 85D, 35, 95E, 45, 70C
• GEN SET ENGINE: 3456
• TRANSMISSION: TR35, 7155
• RIPPER: 7, 6, 4, 9, 8, 8D, 11, 10
• BOOM: 120C
• MARINE GEAR: 3192, 7251
• OFF-HIGHWAY TRUCK: D10R
• TRUCK: 773G LRC, 793F XQ, 793F CMD, 775G, 775F, 793F OEM, 775E, 775D, 789C, 789D, 777C, 777B, 789B, 777D, 777F, 775G OEM, 769B, 769D, 769C, 785, 789, 793, 793D, 793B, 793C, 793F, 69D, 773E, 773D, 773G, 773F, 773G OEM, 785C, 785D, 773B, 785B, 769, 772, 770, 773, 777, 775G LRC
• POWERTRAIN: TR43E44-C13BL, TR43M44-C13B, TR35E44-C9.3B
• TRACK-TYPE LOADER: 977K

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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