The 4V-8520 Sleeve Bearing / Bushing is a replacement component used in CAT wheel loaders and quick coupler applications.
As a wear component installed between moving or connecting parts, the bushing helps maintain proper clearance, reduce metal-to-metal contact and support smooth movement of the linkage system.
GT supplies 4V-8520 replacement bushings for a wide range of CAT wheel loader models, including the 950, 962, 966, 972, 986 and 930 series, as well as Quick Coupler / Quick Couple-MWL applications.
Designed for aftermarket replacement, the 4V-8520 bushing is suitable for equipment distributors, repair workshops and fleet maintenance applications.
1.Product Information
| Item | Details |
| Part Number | 4V-8520 |
| Product Type | Sleeve Bearing / Bushing |
| Application | Wheel Loader / Quick Coupler |
| Machine Brand | CAT / Caterpillar |
| Compatible Equipment | CAT Wheel Loaders |
| Quick Coupler Application | QUICK COUPLE / QUICK COUPLER |
| Quick Coupler-MWL | QUICK COUPLER |
| Market | Aftermarket Replacement |
The 4V-8520 sleeve bearing / bushing is compatible with a wide range of CAT wheel loader applications.
Wheel Loaders
972 XE 950GC 972G II 972M XE 966 XE 966F II 962M Z 962 986 966XE 966K XE 950G II 966M XE 966D 966F 966E 966H 966G 930G 962H 966L 972G 930H 962G II 966K 986H 966 950H 966M 970F 972H 962L 972K 986K 966G II 972M 950 950L 972 972L 972XE 950 GC 950M Z 966 GC
QUICK COUPLE
QUICK COUPLER
| 1 | 6S3463 | 933C 931B 935C 931C 935C II 931C II 931 935B 939C |
| 2 | 6S3459 | 933C 931B 939 935C 931C 933 935C II 931C II 931 953 935B 939C |
| 3 | 6S3465 | 933C 931B 939 935C 931C 933 935C II 931C II 931 935B 939C |
| 4 | 4V8629 | 914G 910F 910E 914G2 |
| 5 | 3G6565 | G916 916 |
| 6 | 9V4975 | 914G 910F 910E 914G2 |
| 7 | 1V3342 | 943 |
| 8 | 4V8643 | 910G 914G 910F 910E 914G2 |
| 9 | 4V8639 | 910G 914G 910F 910E 914G2 |
| 10 | 9T5599 | 910G 914G 910F 910E 914G2 |
| 11 | 9V4975 | 914G 910F 910E 914G2 |
| 12 | 4V4444 | 910G 914G 910F 910E 902 914G2 906 |
| 13 | 7K9572 | 955K 955L |
| 14 | 3G8115 | 926E G926 G916 926 916 |
| 15 | 1V1292 | 943 |
| 16 | 3G2791 | 926E 924F 924G G926 926 924GZ 924HZ 928F 918F |
| 17 | 6E0391 | 928F 950K 962K |
| 18 | 3G2797 | 926E 924G G926 926 924K 930K 924GZ 924HZ 924 930 928F |
| 19 | 3W4362 | 943 |
| 20 | 4D4431 | 289D 289C 299D 299C 289C2 299D2 XHP 289D3 299D XHP 299D3 XE 299D3 299D2 |
| 21 | 4V2872 | 936E 938G 938F 936F 938H G936 936 938G II |
| 22 | 3G5281 | 936E 936F G936 936 |
| 23 | 1U1618 | 936E 936F G936 936 |
| 24 | 7P3454 | 953B 953C 953D 953K 953 |
| 25 | 4V2883 | 936E 938G 928G 938F 928HZ 936F 938H G936 936 962G 938G II |
| 26 | 4V2873 | 936E 938G 938F 936F 938H G936 936 938G II |
| 27 | 3G4704 | 950B/950E 936 938 938G II 936E 938G 938F 936F 938H G936 950B 926 950E 924K 926M 960F 950F 930K 924 930M 930 950F II |
| 28 | 3G5285 | 973D 973K 973 |
| 29 | 4V8674 | 963 963D 963B 963C 963K |
| 30 | 4V2879 | 936E 938G 928G 938F 928HZ 936F 938H 924H 924G G936 930G 936 930H 938G II |
| 31 | 3V2333 | 950B/950E 950GC 962M Z 962 950G II 950B 930G 950E 950G 960F 962H 930H 950F 962G 962G II 950H 962L 950 950L 950 GC 950F II 950M Z |
| 32 | 3G9191 | 950B/950E 950B 950E 960F 950F 950F II |
| 33 | 3G8779 | 950B/950E 950GC 962M Z 962 950G II 950B 926 950E 924K 926M 950G 960F 962H 950F 962G 962G II 930K 950H 924 930M 962L 950 950L 930 950 GC 950F II 950M Z |
| 34 | 5V1386 | 950B/950E 950B 950E 950G 960F 962H 950F 962G 962G II 950H 962L 962M Z 962 950 950L 950G II 950F II 950M Z |
| 35 | 5V1874 | 950B/950E 924H 924G 950B 950E 950G 960F 962H 938 950F 962G 962G II 950H 962L 962M Z 950L 950G II 950F II 950M Z |
| 36 | 9V7099 | 972 XE 950GC 972G II 972M XE 966 XE 966F II 962M Z 962 966XE 966K XE 950G II 966M XE 966D 966F 966E 966H 966G 950G 962H 966L 972G 962G 962G II 966K 966 950H 966M 970F 972H 962L 972K 966G II 972M 950 950L 972 972L 972XE 950 GC 950M Z 966 GC |
| 37 | 4V8673 | 972 XE 972G II 972M XE 966 XE 966F II 966XE 966K XE 966M XE 966D 966F 966E 966H 966G 962H 966L 972G 966K 966 966M 970F 972H 972K 966G II 972M 950L 972 972L 972XE 966 GC |
| 38 | 9J7100 | 972 XE 972G II 972M XE 966 XE 966F II 962 966XE 966K XE 966M XE 966D 966F 966E 966H 966G 966L 972G 966K 966 966M 970F 972H 950K 972K 962K 966G II 950M 972M 950 950L 962M 972 972L 972XE 966 GC |
| 39 | 9T8676 | 972 XE 972G II 972M XE 966 XE 966F II 966XE 966K XE 966M XE 966D 966F 966E 966H 966G 966L 972G 966K 966 966M 970F 972H 972K 966G II 972M 950L 972 972L 972XE 966 GC |
| 40 | 4V8520 | 972 XE 950GC 972G II 972M XE 966 XE 966F II 962M Z 962 986 966XE 966K XE 950G II 966M XE 966D 966F 966E 966H 966G 930G 962H 966L 972G 930H 962G II 966K 986H 966 950H 966M 970F 972H 962L 972K 986K 966G II 972M 950 950L 972 972L 972XE 950 GC 950M Z 966 GC |
| 41 | 4V8675 | 972G II 972M XE 938 966F II 966K XE 966M XE 966D 966F 966E 966H 966G 924K 962H 966L 972G 966K 966 950H 966M 970F 972H 972K 966G II 972M 972 972L 930 972XE |
| 42 | 7J9682 | 977H 941B 955C 951C 955H 951B 941 |
| 43 | 4V8519 | 972 XE 972G II 972M XE 966 XE 966F II 966XE 966K XE 966M XE 966D 966F 966E 966H 966G 966L 972G 966K 966 966M 970F 972H 972K 966G II 972M 950L 972 972L 972XE 966 GC |
| 44 | 9J7078 | 966D 966E 970F |
| 45 | 1V8240 | 988GC 980C 986H 980F 980H 986K 980G 986 980K 980M 980K HLG 980G II 980F II |
| 46 | 1V8242 | 980 XE 986 980 982XE 980K HLG 982 980G II 980XE 988GC 930G 980GC 930H 980C 986H 980F 980H 986K 980G 980L 982 XE 980K 982M 980M 980F II |
| 47 | 1V8241 | 980 XE 962 986 980 982XE 980K HLG 982 980G II 980XE 988GC 980GC 980C 986H 980F 950K 980H 986K 962K 980G 950M 950 962M 980L 982 XE 980K 982M 980M 980F II |
| 48 | 1V9148 | 928G 928HZ 980GC 980C 980 XE 980F 980H 980G 980L 982 XE 980K 982M 980 980M 982XE 980K HLG 982 980G II 980F II 980XE |
| 49 | 1V8242 | 980 XE 986 980 982XE 980K HLG 982 980G II 980XE 988GC 930G 980GC 930H 980C 986H 980F 980H 986K 980G 980L 982 XE 980K 982M 980M 980F II |
| 50 | 1V9143 | 980GC 980C 980 XE 986H 980F 980H 986K 980G 980L 982 XE 986 980K 982M 980 980M 982XE 980K HLG 982 980G II 980F II 980XE |
| 51 | 1V9148 | 928G 928HZ 980GC 980C 980 XE 980F 980H 980G 980L 982 XE 980K 982M 980 980M 982XE 980K HLG 982 980G II 980F II 980XE |
| 52 | 185-7220 | 980K 980K HLG 980G II 980H 980G |
| 53 | 8V0897 | 980C |
| 54 | 9V1883 | 980C |
| 55 | 9J5875 | 988F II 988B 988F 980F II 980C 980F 980G |
| 56 | 339-0314 | 988G 988H |
| 57 | 152-3750 | 988G 988H |
| 58 | 339-0313 | 988G 988H |
| 59 | 152-3740 | 988G 988H |
| 60 | 152-3739 | 988G 988H |
| 61 | 152-3735 | 988G 988H |
| 62 | 171-5427 | 988G 988H |
| 63 | 135-3161 | 988G 988H 988K 988 988K XE 988 XE |
| 64 | 4V2115 | 988F II 988B 988F |
| 65 | 4V2121 | 988F II 988B 988F |
| 66 | 4V2119 | 988F II 988B 988F |
| 67 | 4V2122 | 988F II 988B 988F |
| 68 | 4V2120 | 988F II 988B 988F |
| 69 | 5V5866 | 983B 988F II 988B 988F |
| 70 | 1V7001 | 988F II 988B 988F 986H 986K 986 |
| 71 | 1V7036 | 988F II 988B 988F |
| 72 | 1V7002 | 988F II 988B 988F |
| 73 | 1V6934 | 988F II 988B 988F |
| 74 | 1V6931 | 988F II 988B 988F |
| 75 | 8R4523 | |
| 76 | 6E1166 | 990K 990H 990 990 II 992 988K 988 988K XE 988 XE |
| 77 | 6E1364 | 990K 990H 990 990 II 992 988K 988 988K XE 988 XE |
| 78 | 347-4658 | |
| 79 | 8X0743 | 994 988K 994F 994D 988 988K XE 994H 988 XE |
| 80 | 374-4658 | 950M 962 962M 988K 988 950K 988K XE 962K 988 XE |
| 81 | 514-6766 | 988K 988 988K XE 988 XE |
| 82 | 1V8031 | 992D 994F 994D 992C 994H 994 |
| 83 | 1V8290 | 992D 992C |
| 84 | 1V5636 | 992D 992C |
| 85 | 1V5635 | 992D 992C |
| 86 | 9J2986 | 992D 992C |
| 87 | 1V7038 | 992D 994F 994D 992C 994H 994 |
| 88 | 9J5427 | 992D 992C |
4V-8520 is a part number used to identify a sleeve bearing / bushing for CAT construction equipment applications.
The 4V-8520 bushing is used across numerous CAT wheel loader models, including 950, 962, 966, 972, 970 and 986 series machines, depending on the specific application.
Yes. The 4V-8520 application information includes QUICK COUPLE / QUICK COUPLER applications, including Quick Coupler-MWL.
4V-8520 is a sleeve bearing / bushing, not a pin.
Please provide the part number, machine model and serial number. We recommend checking the specific machine configuration before ordering.
Yes. GT can supply matching pins and bushings for various CAT wheel loader and linkage applications.
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