6V-8398: ORFS O-ring
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    6V-8398: ORFS O-ring

    Part Number: 6V-8398
    Brand: Cat
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    ORFS O-ring

    OD-Controlled O-Rings are used in sealing applications where the outside diameter of the seal is the critical dimension.

    Cat® O-Rings are made from materials that are matched to the fluids, temperatures and pressures found in Cat engines and machines. The materials resist wear and extrusion, and provide superior resistance to seal compression set. In addition, certain Cat O-Rings are coated with PTFE to minimize seal twisting and cutting during seal installation.

    Dimensions of our O-Rings are consistently held to tight tolerances to ensure they fit properly into seal grooves with the necessary seal compression.

    With over 2500 O-Rings in different sizes and materials, Cat O-Rings are your best solution for your Cat and other mobile equipment O-Ring needs.

    Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat® Seals.

    OD-Controlled O-Rings are used in many static and dynamic joints throughout Cat machines and engines, including ORFS (O-Ring Face Seal) and STOR (Straight Thread O-Ring) couplings and adapters.

    Warning: This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
    • US
    • Metric
    • Coating: PTFE - Polytetrafluoroethylene
    • Cross Section Diameter (in): 0.07
    • Fitting Size (in): 13/16 – 16
    • Material: NBR - Nitrile
    • Material Description: NBR is a versatile material with good abrasion and cut resistance. It works well in Air, Engine Oil, Diesel Fuel, Coolant/Urea, Hydraulic Oil and Automatic Transmission Fluid applications. Do not use with Biodiesel.
    • Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
    • O-Ring Type: O-ring Face Seal (ORFS)
    • Outside Diameter (in): 0.63
    • Primary Sealing Material: Rubber
    engineer support tractor
    DEUCE 30/30

    95E 75C 70C 85E 55 MT845 MT855 35 65D 45 65C MTC865 MT700 MTC845 65 75 MT865 65B 65E 85C 75E MTC855 85D 75D MTC835 MT835

    wheel-type loader
    950G 916 966H 980G II 938G 994F 950G II 930H 966G II 930K 926E 924F 980G 966G 914G 962M 950H 910E 966D 992K 910F 950M 938G II 950K 972M 906H 972G 980F 938F 962H 918F 924H 960F 966E 966M 980H 936F 982M 926 994K 986K 966M XE 928G 928F 972K 992G 988G 901C 980C 962G II 990 II 924GZ 908M 980M 914M 988K 972M XE 950F II 924G 928HZ 924K 903C2 914K 908H 972L 966F 924HZ 980F II 908K 938K 980K HLG 966K 962G 988H 904H 908 990K 972H 906H2 906 962L 990 950E 930G 980K 910 950 GC 986H 962K 994H 950M Z 990H 993K 907M 966K XE 907H2 930M 901C2 902 950F 962 930 950L 950B 938H 966F II 970F 903C 904B 988F 988K XE 920K 988B 980L 966L 962M Z G926 902C 906M 992D 907K 926M 918M 972G II 907H 903D 908H2 928H 992C 994D 910G 994 910M 906K 950B/950E G916 910K 902C2 988F II HIN2021D 914G2 938M

    engine - generator set
    G3516H C15 G3512 3516B 3512B G3520E G3520 C32 G3520C C13 G3520B CG170-16 CG137-12 XQP150 C9 3512 G3512E C175-20 G3516E 3516E C18 3508 G3516C XQP100 3516 C13GENSET G3520H C175-16 XQP60 C15 I6 C13 XQ350 3516C 3208 C27 C-12 C18 I6 CG137-08 G3412 3304B XQP300 3512C C13 XQ375 3304 PMG3516 3406C XQ425 XQG400 C7.1 C9 GEN SET

    wheel-type skidder
    545D 508 525D 525B 530B 545C 535D 535C 518C 555D 528 525 525C 518 545 515 535B 528B

    off-highway truck
    793C 773E MT4400D AC 769D 789C 777E 775D 773F 775B 772G 773D 772 772B 793D 777F 777G 776C 789 785C 797 775G OEM 770G 770 795F XQ 775E 789D 777B 777D 771D 793F 785 775G 771C 772G OEM 789B 784C 793B 777C 769C 775F 785G 794 AC 793F CMD 773G 785B 775G LRC 773G LRC 793 773B 795F AC 785D 768C 773GC 798 AC 776B 773G OEM 776D 770G OEM 793F XQ 797F 797B 784B 793F OEM 793F AC 69D 796 AC

    engine - machine
    3306 C4.4

    engine - industrial
    3208 3114 3116 3516B G3608 G3520B C9 3516E C32 G3520J G3512J C13 G3606 G3516B G3616 G3508 G3516C C11 3512E C27 C18 G3516 G3508B 3512B 3412E G3512 CG137-12 G3512E C15 G3512B G3612 SPF343C C4.4 SCT673 C9.3 G3516J G3508J G3516E 3126 3508C SPF743 3512C G343 PMG3516 G3606B CG137-08 3126B

    track-type loader
    953 973 953D 943 973C 963C 963D 933C 953K 963K 973D 939C 963 953C 963B

    articulated dump truck
    735B D350D 730C2 D300D 735 730 735 OEM 740B D300E 730C2 EJ 740 D40D D400D D400E II 730C D350E II 745 D250D D20D D400E 725C 725 D30D 740 GC D25D 740C 745C D250E II D300E II D350E D250E 735C 725C2

    TH406C TH215 TH414C TH336C RT80 RT100 TH580B TH417C RT50 RT60 TL1055D TH337C TH210 TH314D TH407C RTC60 TL943C TH357D TH514D TH417D RT50SA TH460B TL642D TL642C TH220B TH62 TH83 TH360B TH63 TH350B TH3510D TH103 TH514C TH82 TH408D TL1255D TH560B TH340B TH306D TL943D TH330B TH355B

    mini hydraulic excavator
    307B 302.7D 304E2 CR 301.6 308E2 CR 304C CR 305E2 CR 303E CR 305 310 305.5 304.5 302CR 302.4D 304 309 303.5E2 CR 307-A 308E 308D 303C CR 308E SR 301.8 307E2 302.2D 308E2SR 307C 304E 308E CR 308E2 303.5 306E 301.8C 305.5E 308C 303.5E2 308E2CR 303.5E 301.6C 308 303 305.5E2 CR 308.5 305D CR 303.5C 301.7CR 303.5D 302.5C 305E 307.5 306E2 303ECR 305.5E2 304.5E2 304D CR 306 308E2 SR 305E2 307D 305C CR 307E 301.5 302.5 305.5D 304E2

    road reclaimer
    SS-250 RM500B SS-250B RM-350 RR-250 RM-250C RM-350B RM-300 RR-250B RM-500 SM-350

    motor grader
    120K 12M 3 AWD 140H NA 120M 140G 135H NA 135H 140H ES 12H 140M 2 160H 120H 130G 120M 2 16M3 12G 12M 3 12M 2 160H ES 140M 3 AWD 120G 16G 160M 2 160K 120 12M 14H NA 12K 160M 3 AWD 16M 160M 12H NA 160M 3 14L 14G 140 140H 14M 24M 143H 24H 18M3 120H ES 140K 2 160G 140M 120H NA 24 163H 160H NA 140K 14M-3 140M 3 120L 12H ES 163H NA 14H 14M3 140 GC 16H 120K 2 16H NA

    material handler
    M325D MH MH3037 MH3022 MH3024 MH3026 MH3049 M325D L MH MH3295 MH3059

    wheeled excavator
    M315 M312 M320 M318 M322D MH W330B M315C M316D M316C M322C M318C M322F M318D M322D M322D2 M325C MH M315D M325B M313C M318F M313D M318D MH M324D2 MH M315D2 M314F W345C MH W345B II M317D2 M320D2 M330D M320F M316F M318C MH M322D2 MH M323F

    paving compactor
    CB46B CS-54B CB-36B CB-544 CB-634C CB-14 CW-16 CS-323C CP-563C CB-34B XW CB-24B CB-335E CB-24 CP-56B CS-583E CB-534C CS-583 CS-563 CB-564D CC-34 CS-76 CP54B CS-531 CS-433E CS-64 CS-74B CS-54 CB-34 XW CB-534B CS-66B CD-44B CB8 CB10 CS-423E CS-533D CS-56 CP44B CP-533D CS-76B CP-54B CS-74 CS-433C CB-534D CB-34B CS-533 CP-563E CP-74B CS-78B CB-545 CS-573 CB-334E CS-68B CS-533C CS-573E CB-54B CP-44 CB16 CP-76 CC-34B CP-433E CB-614 PS-150C CP-54 CB-64 CC-24B CP-68B CB-434 CS79B CP-563D CB-32B CS-433B CS-431C CB-224E CD-54B CB-634 CD8 CS68B CS-56B CS54B CS-533E PS-200B CS-531C CB1.7 CB15 CP-533 CB-534 CB-68B CS-563C CP-433C CS-44B CP-653 CB13 CS-34 CB7 CP-663E PS-300C CB-214E CP-64 CP76B CS-663E CS56B CP-533E CP-563 CB-214C CS-64B CS-643 CB-22B CC2.6 CB1.8 CB-535B CS-531D CS-583D CP-573E CW12 CP-533C CB-66B CB-434C CP-433B CS-683E PS-360B CB-34 CS-583C CB-334D PS-300B CB2.7 CS64B CB-335D CB-44B CP-323C CP56B CS12 CS-573C CW34 CW-34 CP-56 CS74B CB-214D CB2.9 CS78B CS-653 CP-553 CB-225E CB-225D CS-44 CB2.5 CB-54 PF-300B CB-525B PF-290B CB-434B CS-573D CB-14B CP74B PS-150B CB-634D CB-224D PS-360C CCS9 CS11 CB-523B CP-34 CB-64B CB-22 CS-563E CD10 CP-74 CCS7 CS-563D CS-79B CP68B CP-44B CC-24 CS44B CB-334E XW CB-32 CB-224C PS-180 PF-300C CW-14 CP-643 CS-553 CD-54 CS10 CB-434D CS-551

    underground articulated truck
    AD55 AD45B AD60 AD30 AD55B

    MD6250 MD6310 MD6200

    349D2 L 336D L 336D LN 350-A L 323D 336D2 L 345B II 322C 319D L 320D FM 323D2 L 349F LXE 329D 307 385B 330C 312B 318C 325D L 317-A N 336D2 320D 321B 325-A L 320-A L 312D L 390F L 313D2 LGP 320C 349D L 336E 324D L 320C FM 336 GC 235 390D L 330F LN 320D LRR 320D2 L 5080 320D2 GC 320D2 319D 321D LCR 315B L 325-A 349F L 320 L 326F 330D MH 322C FM 352F XE VG 5090B 330 L 319D LN 336F LNXE 323 336 335F 316E L 325C 336F 329E L 336D2 XE 365C 315C 326D2 L 350 L 324E L 326D2 324E LN 206B 330D2 329D2 L 325 LN 349E L 350-A 313D2 330D2 L 322B L 330-A L 330FMHPU 336F L 329D L 320-A N 325B L 318D2 L 336F L XE 365B II 336D 340D2 L 320 GC 325F 345C L 330D L 345C 323F SA 311D LRR 313F LGC 314D LCR 314E LCR 324D FM 330-A L 325-A FM L 5230 307-A 325C FM 345B II MH 323D L 345B L 320B L 5110B 330C MH 374F L 390F 312B L 330F 324D 314D CR 316F L 320B LL 340F 320 323E LN 323D LN 330D M325D L MH 385C 324D LN 320B 345D L 365B L 345B 318E L 345D 212B 312F GC 374F 313D2 GC 340 320D RR 330D FM 312C 320E 320B FM LL 336D2 GC 330 LN 336E LN 325D 320E LRR 375-A 320B LU 329E 322-A L M318F 340F L UHD 374D L 336E L 325D MH 312F 320B S 315B FM L M317F 314C 352F-VG 325D FM LL 538 320D2 FM 349D2 312D2 330 GC 352F 312C L 320-A 315B 336F LN XE 320D L 320E L 320N 323F L 330 315F LCR 213B 313D 365B 245D 330F L 349D 323D SA 320D LN 349E 318B N 330C L 322-A 325-A LN 317-A 323E L 340D L 329E LN 311B 313F 330B L 328D LCR 322 LN 206 390D 568 FM 365C L MH 336E LH 336F XE 211B 330-A 313F L 385C L MH 320E LN 315D L 385C L 326F L 349E L VG 336D2 LXE 323D S M325D MH 311F LRR 336F LN 340F L LRE 312E L 245B 325 L 324E 318F L 313B 336D2 L XE 365C L 325C L 352F OEM 312E 329D LN 312D2 GC 320C L 375-A L 330C FM 318D2 330-A LN 323E SA 385C FS 320D GC 352FMHPU 323F 336E H 568 FM LL 311C 312D2 L 336E LNH 318D L 321C 312D 558 335F LCR 330D LN 322B 330B 325D FM 318B 314E CR 322B LN 315-A 313F GC 320F L 323D2 349F 345D L VG 314F CR 320E RR 322N 323D3 5230B 336FMHPU 319C 330C LN 322 L 312-A 325B 323F LN 224B 317B L 214B FT 349E L HVG 345C MH 322-A N 345 GC 205B 320B N 320B U 320D FM RR 323F OEM 212 336E HVG 5130B 329D2 5130 320-A S 324D FM LL 352 349 329F L 322-A LN 330F OEM 326D L 214B 330B LN 326F LN 325F LCR 317 N 317B LN 320D3 325B LN M315F

    wheel tractor-scraper
    621E 631E 627G 637G 615C 637E 631G 611 623E 637D 623G 621G 623H 627K 657G 623F 627E 657E 633E II 631K 621F 621H 613 621K OEM 633D 637K 623K 633E 639D 623K LRC 631D 621S 613C II 621B 627H 627K LRC 613B 613G 651E 627F 613C 621K TS185 615C II TS225 623B 657B 615 657

    earthmoving compactor
    816K 826H 836G 825K 825G II 836K 815K 826K 815F II 825G 836H 825H 826G II 825C 826C 836 816F II 816F 815F 826G

    XQP500 WEG

    engine - truck
    3126E C9 C7 3406C 3406E 3126 3116 3126B C-10 C-12 3406B C16 C15 C-15 C-16 C13

    petroleum products
    CX38-P892 3512C C9 TH31-C9P TH48-E70 C32 CX35-C18I C11 CX31-C18I C27 C13 3126B C7 CX31-P600 C18 CX31-C11I 3512B 3516C CX31-C13I TH31-C9I CX48-P2300 C175-16 TH35-C15T TH35-E81 TH48-E80 TH31-E61 TH48 CX35-P800 C15 CX31-C9I CX31-C15I TH35-C15I CX38-P800 TH35-C13I TH35-C11I

    work tool
    PIN GRAB VRG50 SR21 BLADE VHC-50 VRG-20/2 GSH15B HEX-WEDGE S3050 S2050 GSH22 G325B MP15 VHS-70/4 63 GH52 FUSION BP15B MP40 VT40 H50S GLS63 S2070 S385B P25 VT60 PC204 HM418C TRS14 SR321 SW460B P325 BH150 BP15 GSH440 S130 H70 H90C PC104B 4548 MP318 GSH420 G320B VT30 VRG30 BH27 HM315B S2090 MP20 H160S G315B 140 S3025 CR35 GSH22B PC205B BH160 BP115C BP18 GSH9 BH30 GSH20B MP345 G215 GC CTV15 VT50 BU115 TRS23 G315 GC GLS60 H55DS S25 VHS-50 SR318 H45DS VRG-25/2 VHS-70/3 MP30 MP324 S340 S390 TRS10 GSH15-80 HM115C DFS124 P335 H180S GSH520 GSV525 MB200 HM315C PH126 S3070 BA25 H100S PC306B S340B VHS-40 S325B S30350 H120CS S325 GSH20 P360 VHS-10 H195 S365C 70S HM4015 GSH9B HM312 CTV40 VRG-30/2 SR121 BA30 GSH22-10 HM415B 2017 S3090 S40 SW345B S320 H45 P40 GLL52 CW-70 MD-250 A26 G310 GC GSV520 GC S3035 S3 G330 S365B BD118 H65DS GSH15 H160CS CR50 100 G313 GC G315 GSH22-15 PC210 PC205 HM2615 HM415C H45S GLL55 HM112C S365 MP365 GSV520 G210 GC GLL60B H130S H63 VHS-60/3 PC206 S3015 HM518 MB250 VHS-30/3 VHS-70 VHC-30 120 SW360B GLK48 H120S SR17 SW45 MP332 G320 GLS55 BUCKET VRG40 GLS66 BP24 PC310B GLL55B VHC-40 HMF210 S305 S320B S385C H100 GLK55 VHS-50/3 PP120 PC305B SR18 VHS-60 VHS-30 BH30W S80 BU118 G310B SNOW WING GLL52B SR118 VHS-40/3 GSH525 PC408B CR28 G213 GC CTV30 BP18B GSH15-60 115 BD121 DFS121 PC203 DLK426 H140S 5055 VHS-60/4 CR20 S50 BP25 VRG-40/2 CR3 H90CS TRS8 HM825 BA22 HM315 GSH455 H63S HMF110 SR117 PRE426 GLL60 160 GLC85 H35DS 130 GSH555 HM208 BP22 H115S P315 TRS18 P28 H140CS H50 70 P16 BP118C H70S PC412B S30 DFS118 CTV20 GSH425 HM215C BA118C HM210 SW60

    cold planer
    PM313 PR-1000 PM310 PM822 PM622 PM-565 PM820 PM312 PM620 PM825 PM-201 PM-565B PM-200 PM-465 PR-450C PR-1000C PR-450

    forest products
    SAT322T 573C 522B HF201 552 HH55 574 HH45 563D 533 1190T 550 322C 564 2864C HA770 1190 573D HA771 586C HH65 HF221 1390 511 HF202 559C 521 SAT322TSC 552 2 SAT318T 2491 579D 550B 2570C HF222 570B SAT322 SAT323T 548 SAT323 TK722 HA870 HF201B 559D 579C 541 2 HF181 543 2384C 2470C TK371 2670C 563C 560B 2484C 554 553C 574B TK370 2290 TK752 TK751 570 HH75 2590 TK732 SAT318 2391 SAT323TSC 580 HH500 TK741 558 1290T TK711 HA871 345C 551 521B 2384D 539 541 TK380 TK381 584HD 2570D 1090 2484D 2390 580B 522 2670D TK721 532 SAT318TSC SAT325T 584 TK1051

    track-type skidder
    527 517 D4HTSK II 54H D4HTSK III 4P D5HTSK II

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

    skid steer loader
    232D3 289C 246C 287D 268B 236B 299D2 XHP 232 246 232D 246D3 226 287C2 297D2 XHP 236D 257D3 289D 216B3 262D 259D3 299D2 256C 242B 226D 236B3 277D 277C 272D2 226B 299D3 272D3 279D 272D XHP 216B 226B3 236 246D 267B 252B3 259D 299D3XHP 297D 216 297D XHP 249D 272D 248B 246B 287B 287C 272D3XHP 247B 257D 262C2 262C 262D3 232B 257B 242D 279D3 257B3 289D3 259B3 247 299D3 XE 262B 252B 236D3 247B3 272D2 XHP 299C 299D 242D3 277B 239DR 239D 262 D3 297C 297D2 248 242DR 242 299D XHP 277C2 2236D3 277 279C 228 279C2 226D3 299DR XE 242B3 249D3 272C 289C2 262 257 287 236DR 239D3 267 252 299DR

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

    asphalt paver
    AS2302 BG-260D BG-210B BG-2255C 10 FT BG655D BG-2455D AP-1000B AP-200B AP500F AP555F AP-1055B AP-600D AP-655D BG-230D 8 FT BG-230 AP-1000E AP-650B BG-2455C AP-1055E AP-1055D AS4252C BG-260C AP-800B BG-240C AP655F AP-1000F AP600F AP-555E AS2252C 8-16B BG-225B SE60 V XW 10B AP355F SE34VT 10-20WB AP-255E 10-20B AS4251 AP-800 AP-1000 AP-1055F AP-1050 AP-900B SE50 VT BG-245C BG-225C AP-800C AS3251C AP-800D AP-1050B AP-1000D AP655F L BG555E BG500E BG1055E BG1000E AP300F AS4173 AS4251C SE50 V BG600D SE60 V AP-300D AP-500E SE60 VT XW AP-655C AS2302C SE34V SE60VT XW AS3301C

    integrated toolcarrier
    IT24F IT14G IT38G II IT62G IT28F IT28G IT12B IT28B IT18B IT38F IT18F IT38G IT18 IT14G2 IT62G II IT38H IT62H IT14B IT28 IT14F

    561N 589 PL61 PL72 578 PL87 587T PL83 572R II 572R 583T 561H 587R 561M 583R

    marine products
    C18 3516C 3516 3508B 3516B 3512 C9 3512C C32 C7.1 3512B 3126B 3516E G3512E 3512E C7 3126 3116 D333B 3508 C175-16 3508C C4.4

    expanded mining products
    6015B 6020B HRS1220

    track-type tractor
    7S D6R III 6A 8S D5M D9R 54 4A 5S D7H D6N D7R II D6T XL PAT D6H D3K2 LGP D7R D11T D6R II D5H D4H D8N 4P D6 D11R 8A 57H D8L 10U D6T XW 6S 9 D6R D9H D8T 6 D5K LGP 9U 59N 7 5P D3G D6K2 LGP 10 D5N D10N 58L 56 55 D5G D4C III D5R2 D10R D4K2 LGP 6SU D8R 8U D4K2 XL D3K2 XL D6K2 8 D6T LGPPAT D6M D8R II 7A 4S 56H D6H XL D6T D5K2 XL D6T LGP D3C III D6T XL 5 7SU D6 XE 4 11 D6H II D5C III D6F SR 59 10SU D5H XL 7U D7R LGP D5K2 LGP D11N D6H XR D7G2 9S D5K XL D6T XW PAT D4G 8SU D6R XL D7R XR D10T D10T2 D6K LGP 58 D6K XL D5 D5R XL D6R LGP D4K XL D9T D4H XL D6N XL 9C 9SU 8R D6R STD 59L 7S LGP D6N LGP D3K XL 11U D6N OEM 8C D9N D7G D7E D3K LGP D6K2 XL 5A D9L 11SU D6G SR D4D D4K LGP D5R LGP D6D D6K D4H III D7E LGP

    load, haul, dump
    R2900 R1300G II R2900G R1300G R1700G R1700K R1300 R3000H R1600H

    oem solutions