Caterpillar Original Equipment # 8L-2779: O RING - SUB 464-0509

COMPATIBLE MODELS FOR PART NUMBER 8L-2779

GENERATOR

3412 LC20XX LC30XX SR4 SR4B SR500

WHEEL-TYPE SKIDDER

508 518 528

INTEGRATED TOOLCARRIER

IT12 IT12B IT14B IT14F IT14G IT14G2 IT18 IT18B IT24F IT18F IT28 IT28B IT28F IT28G IT38F IT38G IT38G II IT38H

MINI HYDRAULIC EXCAVATOR

301.5 301.6 301.8 302.5 303.5 303.5C 303C CR 304 304.5 304C CR 305 CR 305.5 CR 306 305 305C CR

WHEEL-TYPE LOADER

901C 901C2 902 902C 903C 906 904B 904H 906H 906H2 907H 907H2 908 908H 908H2 910 910E 910F 914G 914G2 916 918F 920 924F 924G 924GZ 924H 924HZ 924K 926 926E 926M 928F 928G 928H 928HZ 930 930G 930H 930K 930M 938F 938G 938H 938G II 938K 938M 950 950B 950B/950E 950E 950F II 950G 950K 960F 962G 962K 966C 966D 966E 966F 966F II 966G 966K 966K XE 966M 966M XE 970F 972G 972K 972M 972M XE 980 980B 980C 980F 980F II 980G 980G II 980H 980K 980K HLG 980M 980XE 982 982M 982XE 986K 988B 988F 988F II 988K 988K XE 990 990 II 990H 992 992C 990K 992D 992G 992K 993K 994 994D 994F 994H 994K G910 G916 G926

TRACK-TYPE SKIDDER

4P 517 527 54H D4HTSK II D4HTSK III D5HTSK II

WHEEL TRACTOR-SCRAPER

611 613C 613C II 613G 615C 615C II 621 621B 621E 621F 621G 621H 621K 621K OEM 623B 623E 623F 623G 623H 623K 623K LRC 627 627B 627E 627F 627G 627H 627K 627K LRC 631D 631E 631G 631K 633D 633E II 637 637B 637D 637E 637G 637K 651 651B 657 639D 651E 657B 657E 657G

MARINE PRODUCTS

3116 3126 3126B 3208 3304 3408 3408B 3608 3612 3616 C280-12 C280-16 C7 C9 D330A D330C

MATERIAL HANDLER

C7 M325D L MH M325D MH MH3022 MH3024 MH3026 MH3260 MH3295

LOAD, HAUL, DUMP

R1300 R1300G R1300G II R1600 R1600G R1600H R1700 II R1700G R1700K R2900 R2900G R3000H

MOTOR GRADER

120M 120 120G 120H 120M 2 12F 12G 12H 12M 12M 2 12M 3 12M 3 AWD 135H 130G 14 140 140G 140H 140M 2 140M 3 140M 3 AWD 150 14E 14H 14M3 16 160 160M 160M 2 160M 3 160M 3 AWD 16G 16H 16H NA 16M3 18 18M3 24H 404F-22

OEM SOLUTIONS

3412C CX28 CX31 CX35 TR53

ARTICULATED DUMP TRUCK

725 725C 725C2 730 730C 730C2 730C2 EJ 735 735 OEM 735B 735C 740 740B 740 GC 740C 745 745C D250E D250E II D300E D300E II D350E II D350E D35HP D400 D400D D400E D400E II D40D

TRACK-TYPE TRACTOR

3 3P 3S 4 4A 4P 4S 53 54 55 57H 58 58L 59L 59N 5A PAT 8 8A 8S 8SU 8U 9 9SU 9U D10N D10R D11 D11R D11T D3 D3B D3C D3C II D3C III D3G D3K LGP D3K XL D4B D4C D4C II D4C III D4D D4G D4H D4H III D4H XL D4K LGP D4K XL D5 D5C D5C III D5C PAT D5C PATLGP D5G D5H D5K LGP D5K XL D5M D5R LGP D5R XL D6 D6 XE D6C D6E SR D6G2 LGP D6G2 XL D6H XL D6K D6K LGP D6K XL D6K2 D6K2 LGP D6K2 XL D6M D6N D6R D6R II D6R III D6R LGP D6R STD D6R XL D6T D6T LGP D6T LGPPAT D6T XL D6T XL PAT D6T XW D6T XW PAT D6XE D7 D7E D7E LGP D7F D7R D7R II D7R LGP D7R SERIES D7R XR D8 GC D8GC D8L D8N D8R D8R II D8T D9 D9 GC D9L D9N D9R D9T

ASPHALT PAVER

AP-1000 AP-1000B AP-1000E AP-1050 AP-1050B AP-1055B AP-1055E AP-500E AP-555E AP-600D AP-650B AP-655D AP-755 AP-800 AP-800B AP-800C AP-800D AP-900B AP500F AP555F AP600F AP655 AP655F AP655F L AS2252C AS2302C BG-225C BG-230 BG-230D BG-240C BG-2455C BG-245C BG-260C BG1000E BG1055E BG500E BG555E BG600D BG655D

PIPELAYER

561C 561M 571F 572F 572R 572R II 578 583R 583T 587R 587T 589 PL61 PL72 PL83 PL87

UNDERGROUND ARTICULATED TRUCK

AD30 AD45 AD45B

EXPANDED MINING PRODUCTS

C27 MD6200

EXCAVATOR

215 215B 215C 215D 219 219D 225 225B 225D 229 229D 231D 235 235B 235C 235D 245 245B 245D 311D LRR 312C 312C L 312D 312D L 313D 314D CR 314D LCR 315D L 318C 318D L 319C 319D 319D L 319D LN 320 L 320-A 320-A L 320-A N 320-A S 320B 320B FM LL 320B L 320B LL 320B LU 320B N 320B S 320B U 320C 320C FM 320C L 320D 320D FM 320D FM RR 320D GC 320D L 320D LN 320D LRR 320D RR 320N 320D2 FM 321B 321C 321D LCR 322 L 322 LN 322-A 322-A L 322-A LN 322-A N 322B 322B L 322B LN 322C 322C FM 322N 323D 323D L 323D LN 323D S 323D SA 323D2 L 324D 324D L 325 L 325 LN 325-A 325-A FM L 325-A L 325-A LN 325B 325B L 325B LN 325C 325C FM 325C L 325D 325D FM 325D FM LL 325D L 326D L 326D2 L 329D 329D L 329D2 329D2 L 329E 329E L 329E LN 330 L 330 LN 330-A 330-A L 330-A L 330-A LN 330B 330B L 330B LN 330C 330C FM 330C L 330C LN 330C MH 330D FM 330D 330D L 330D LN 336D 336D L 336D LN 336D2 336D2 L 336D2 L XE 336D2 LXE 336D2 XE 336E 336E H 336E HVG 336E L 336E LNH 336E LH 336E LN 336F 336F L 336F L XE 336F LN 336F LN XE 336F LNXE 336F XE 336FMHPU 340D L 340D2 L 340F 340F L UHD 340F L LRE 345B 345B II 345B L 349 349E 349E L 349E L HVG 349E L VG 349F 349F L 349F LXE 350 L 350-A 350-A L 352 352 UHD 352F 352F OEM 352F XE VG 352F-VG 352FMHPU 374 374F 374F L 375-A 375-A L 385C 390D 390F 390F L 395 5080 5110B 5130 5130B 5230 5230B 568 FM 568 FM LL E180 EL180 M312 M315 M318 M325D L MH

ENGINE - GENERATOR SET

3406C 3412 3412C 3456 3606 3608 3612 3616 C13 XQ350 C13 XQ375 C280-12 C280-16 C4.4 C4.4DE110E C4.4DE65E3 C4.4DE88E0 C4.4DE88E3 C6.6DE150E C6.6 C9.3 G3516C G3520C PM3412 PM3456 PMG3516 POWER SYS

PAVING COMPACTOR

C32 C4.4 CB-44B CB-54 CB-54B CB-64 CB-64B CB-66B CB-68B CB10 CB13 CB15 CB7 CB16 CB46B CB8 CCS9 CD-44B CD-54B CD10 CD8 CP-44 CP-533E CP-54 CP-54B CP-56 CP-56B CP-64 CP-68B CP-74 CP-74B CP-76 CP54B CP56B CP68B CP74B CP76B CS-44 CS-533E CS-54 CS-54B CS-56 CS-56B CS-64 CS-64B CS-66B CS-68B CS-74 CS-74B CS-76 CS-76B CS-78B CS-79B CS54B CS56B CS64B CS66B CS68B CS74B CS76B CS78B CS79B CW-16 CW-34 CW12 CW34

EARTHMOVING COMPACTOR

815 815B 815F 815F II 816 816F 816F II 825G 825G II 825H 826G 825K 826C 826G II 826H 826K 836 836K

BACKHOE LOADER

414E 415 415F2 415F2 IL 416 416C 416D 416E 416F 416F2 420 420D 420E 420F 420F2 420XE 422E 422F 422F2 424 424B 424B HD 424B2 424D 426 F2 426C 427F2 428 428C 428D 428E 428F 428F2 430 430D 430E 430F 430F2 432 432D 432E 432F 432F2 434 434E 434F 436C 434F2 438C 438D 440 442D 442E 444 444E 444F 444F2 446B 446D 450 450E 450F

COLD PLANER

3208 3412 PM-102 PM-201 PM-465 PM-565 PM-565B PM310 PM312 PM313 PM620 PM622 PM820 PM822 PM825 PR-1000 PR-1000C PR-450C

WHEEL DOZER

814 814B 814F 814F II 824G 824G II 824H 824K 834B 834K 834S 834U 844 844H 844K 854G 854K

ENGINE - TRUCK

3126 3126E 3406B 3406C 3406E C-10 C13

FOREST PRODUCTS

227 2390 2470C 2491 2570C 2670C 2864C 322C 324D FM 511 522 521 521B 522B 532 533 538 541 541 2 543 551 552 552 2 553C 558 559 563C 570B 573C 580B 586C TK711 TK1051 TK370 TK371 TK380 TK381 TK721 TK722 TK732 TK741 TK751 TK752

TELEHANDLER

C3.6 C4.4 RT50 RT50SA RT60 RTC60 TH337C TH407C TL1055 TL1055C TL1055D TL1255 TL1255C TL1255D TL642 TL642C TL642D TL943 TL943C TL943D

ROAD RECLAIMER

RM-250C RM-350 RM-350B RM-500 RM500B RR-250 RR-250B SM-350 SS-250 SS-250B

ENGINE - MACHINE

3176C C-12 C-9 C6.6

CHALLENGER

35 45 55 75 MT735 MT745 MT755 MT765 MT835 MT845 MT855 MT865 MTC735 MTC745 MTC755 MTC765 MTC835 MTC845 MTC855 MTC865

COMBINE

460 465 470

SKID STEER LOADER

216 216B 226 226B 228 232B 236B 236 242B 246 246B 246C 247B 248 248B 252 252B 256C 257B 262 262B 262C 267 267B 268B 272C 277 277B 277C 279C 287B 287C 289C 297C 299C

PETROLEUM PRODUCTS

3126B C15 C18 C7 C9 CX31-C11I CX31-C13I CX31-C15I CX31-C18I CX31-C9I CX31-P600 CX35-C18I CX35-P800

WHEELED EXCAVATOR

M313D M315 M315D M315D2 M316D M317D2 M318 M318D M318D MH M318F M320 M320F M322D M322D2 MH M322D MH M322F M324D2 MH M325B M325C MH M330D W330B

OFF-HIGHWAY TRUCK

69D 768C 769C 769D 770G 770G OEM 771C 771D 772B 772G 772G OEM 773B 773D 773E 775B 775D 775E 784B 784C 785 785B 785C 785D 785G 789B 789C 789D 789G 793 793B 793C 793D 793F 793F AC 793F CMD 793F OEM 793F XQ 794 AC 795F AC 795F XQ 796 AC 797 797B 797F 798 AC

ENGINE - INDUSTRIAL

3126B 3126E 3116 3126 3176 3204 3208 3304 3304B 3306B 3406B 3406C 3406E 3408 3408B 3408C 3412 3412C 3412D 3412E 3456 C-10 C-12 C-15 C-16 C-18 C-9 C11 C13 C15 C16 C175-16 C175-20 C18 C18 GEN SE C280-16 C3.4B C32 C4.4 C6.6 C7 C8.7 C9 C9 GEN SET C9.3 C9.3B CG137-08 CG137-12 D320A G3508 G3508B G3508J G3512 G3512B G3512E G3516B G3516C G3516E G3520C G3520E G3606 G3606B G3608 G3612 G3616 HT400 PM3412 SCT673 SPF343C SPF743 SPS342 SPT342 TR43 TR43-E44 XQ1140 XQ425

ENGINEER SUPPORT TRACTOR

30/30 DEUCE

TRACK-TYPE LOADER

931 931B 931C 931C II 933 933C 935B 935C 935C II 939 939C 941 941B 943 951B 951C 953 953C 953D 955K 963C 963D 963K 973 973C 973D 977K



Brand new OEM part,  never installed or used on equipment.  Dealer stock, may have shelf wear. (dust, grease, etc)  Please view pics and read description carefully.   

This is a BRAND new genuine Caterpillar part, included in original package where applicable.   Packaging is shown for the authenticity verification.  In the event of multiple parts being sold from one package, not all shipments will come in the original packaging.  Please note, parts have been in storage, this is NOS.  They will have shelf wear, scuffs, tears, or dust on the packaging. This is for a quantity of one (1) unless otherwise specified

Quantities listed on OEM package may be inaccurate, true item quantity will be indicated in product description as required.  Please view pics and read description carefully.   
 
We recommend verifying proper fit for your application with a parts catalog.
Check out our other listings for great NOS products!

We strive for customer satisfaction, if you are not satisfied with your order, please do not hesitate to contact us so we can make it right. 

Please consider selecting one of the other shipping services available to you such as UPS or FEDEX in order to ensure minimal shipping delay and to mitigate lost packages.  Thank you for your business!

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