8H7521 SEAL-O-RING Caterpillar parts
120H, 12G, 12H, 12H ES, 12H NA, 135H, 140G, 140H, 140H ES, 140H NA, 143H, 14H NA, 16, 160H, 160H ES, 160H NA, 163, 163H NA, 183, 184, 215, 215B, 215D, 219D, 225, 235D, 24H, 30/30, 3126, 3126B, 3181, 3...
Rating:
Alternative (cross code) number:
CA8H7521
8H-7521
8H7521
CA8H7521
8H-7521
8H7521
Weight: 0.01 pounds 0 kg.
Information:
CROSS SECTION DIAMETER
3.53
mm
DASH SIZE
239
ID
91.67
mm
MATERIAL
Nitrile (NBR) Rubber - 75 Duro
OD
0
mm
AG TRANSMISSION, WHEELED EXCAVATOR,
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$11.67
28 Dec 2023
US: Florida-Parts-Z
8H7521 - Seal-O-Ring- 9.14 cm(3.60 in.) ID 5H9841 8T7249 for Caterpillar (CAT)
FIRST PRICE PARTS
FIRST PRICE PARTS
$8.00
20 Mar 2023
0.25[0.11] Pounds
CA: Aztec Hydraulic
8H7521 Seals - O-Rings for Caterpillar
Aztec Hydraulics This part is also known as: CT8H7521 / 8H7521 / CT 8H7521 Seals - O-Rings for Caterpillar (1 Unit) || Want to confirm your part number or need any assistance? We'll be happy to help! || All products tested for durability, reliability, and performance to surpass or meet OEM specifications. || Products are packaged professionally to prevent any type of damage during shipping || Delivery Time: Same day shipping before 3:00 PM EST on business days. Arrival in 5-6 workdays for standard shipping. “One-Day Delivery” and “Two-Day Delivery” also available to get this part in 1 or 2 days.
Aztec Hydraulics This part is also known as: CT8H7521 / 8H7521 / CT 8H7521 Seals - O-Rings for Caterpillar (1 Unit) || Want to confirm your part number or need any assistance? We'll be happy to help! || All products tested for durability, reliability, and performance to surpass or meet OEM specifications. || Products are packaged professionally to prevent any type of damage during shipping || Delivery Time: Same day shipping before 3:00 PM EST on business days. Arrival in 5-6 workdays for standard shipping. “One-Day Delivery” and “Two-Day Delivery” also available to get this part in 1 or 2 days.
This part in 9 request:
Show.
This information for suppliers only!
2025-01-16
2024-04-24
2022-09-22
2022-03-11
2022-01-26
2021-09-29
2021-01-12
2020-02-07
2017-12-22
Compatible equipment models: 8H7521:
BACKHOE LOADER
416C
416D
420D
420E
424D
426B
426C
428
428C
428D
430D
430E
432D
436
436B
436C
438B
438C
438D
442D
446
446B
446D
450E
BULLDOZER
824S
EJECTOR TRUCK
740
ENGINE - MACHINE
3304
EXCAVATOR
215
215B
215D
219D
225
235D
322B
322B L
324D
324D FM
324D FM LL
324D L
324D LN
325B
325B L
325D
325D FM
325D FM LL
325D L
325D MH
326D L
329D
329D L
329D LN
330
330B
330B L
350
M325D L MH
M325D MH
GENERATOR SET
C175-16
INTEGRATED TOOLCARRIER
IT12
IT12B
IT14B
IT14G
IT14G2
IT18F
IT24F
IT28F
IT28G
IT38F
IT38G
IT38G II
IT38H
IT62G
IT62G II
IT62H
MARINE GEAR
3181
MOTOR GRADER
120H
12G
12H
12H ES
12H NA
135H
140G
140H
140H ES
140H NA
143H
14H NA
16
160H
160H ES
160H NA
163H NA
24H
PETROLEUM PACKAGE
CX31-C13I
CX31-C15I
CX31-C18I
CX31-C9I
TH35-C11I
TH35-C13I
TH35-C13T
TH35-C15I
TH35-C15T
TRACK-TYPE TRACTOR
30/30
D10
D11R
D3C III
D4B
D4C III
D5C
D5C III
D6C
D6D
D6G SR
D6K
D6K LGP
D6K XL
D6K2
D6K2 LGP
DEUCE
TRUCK
69D
769
769C
769D
770
772
772G
772G OEM
773B
773D
773E
773F
773G
773G LRC
773G OEM
775D
775E
775F
775G
775G LRC
775G OEM
793F
793F AC
793F CMD
793F OEM
793F XQ
795F AC
795F XQ
797
797B
797F
VIBRATORY COMPACTOR
CB-525B
WHEEL LOADER
918F
924F
924G
924GZ
924H
924HZ
926
928F
928G
928H
928HZ
930G
936
936F
938F
938G
938G II
938H
950 GC
950B
950B/950E
950F
950F II
950G
950G II
950H
950K
960F
962G
962G II
962H
962K
966C
966D
966F
966F II
966G
966G II
966H
966K
966M
966M XE
966R
970F
972G
972G II
972H
972K
972M
972M XE
980B
980C
980F
980F II
982M
988
988K
992G
994
994D
994F
G936
Information:
Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01165435
Loosen the hose clamps and disconnect hose (3) from the turbocharger compressor housing.
Disconnect bracket (4) and the exhaust elbow.
Disconnect tube assembly (2) and tube assembly (7) from turbocharger (6).
Remove nuts (8) and turbocharger (6) from exhaust manifold (1).
Remove gasket (5).
If necessary, remove the studs from the exhaust manifold.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01165435
Loosen the hose clamps and disconnect hose (3) from the turbocharger compressor housing.
Disconnect bracket (4) and the exhaust elbow.
Disconnect tube assembly (2) and tube assembly (7) from turbocharger (6).
Remove nuts (8) and turbocharger (6) from exhaust manifold (1).
Remove gasket (5).
If necessary, remove the studs from the exhaust manifold.
Cat SIS web machinery list:
Parts seal Caterpillar catalog:
0931347
SEAL-O-RING
328D LCR, 345B II, 345B L, 345C, 345C L, 345D L, 349E L, 349E L VG, 349F L, 350, 365B, 365B II, 365B L, E650
328D LCR, 345B II, 345B L, 345C, 345C L, 345D L, 349E L, 349E L VG, 349F L, 350, 365B, 365B II, 365B L, E650
1132073
SEAL-O-RING
345B II, 345B L, 350, 365B, 365B II, 365B L
345B II, 345B L, 350, 365B, 365B II, 365B L
0951694
SEAL-O-RING
330, 330 FM L, 330 L, 330B, 330B L, E120B, W330B
330, 330 FM L, 330 L, 330B, 330B L, E120B, W330B
1307114
SEAL-O-RING
330B, 330B L, 345B, 345B L, W330B
330B, 330B L, 345B, 345B L, W330B
2667969
SEAL-O-RING
325C, 325D L, 329D, 329D L
325C, 325D L, 329D, 329D L
1289270
SEAL-U-CUP
330B, 330B L, 330C L, 330D, 330D L, 336D
330B, 330B L, 330C L, 330D, 330D L, 336D
1336814
SEAL-LIP TYPE
330B, 330B L, 330C L, 330D, 330D L, 336D
330B, 330B L, 330C L, 330D, 330D L, 336D
960131
SEAL
325B L
325B L
1913170
SEAL KIT
330B, 330B L
330B, 330B L
1289280
SEAL KIT (FOR HIGH TEMPERATURE)
330, 330B
330, 330B
1540762
SEAL
325B
325B
5P5598
SEAL-O-RING
120G, 12G, 130G, 140G, 14M, 1673C, 16M, 215, 225, 3176, 3204, 3304, 3304B, 3306, 3306B, 3412, 3412C, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, ...
120G, 12G, 130G, 140G, 14M, 1673C, 16M, 215, 225, 3176, 3204, 3304, 3304B, 3306, 3306B, 3412, 3412C, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, ...
9Y9895
SEAL GP-CRANKSHAFT
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235, 235B, 330, 330 L, 3304, 3304B, 3306, 3306B, 3306C, 330B, 330B ...
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235, 235B, 330, 330 L, 3304, 3304B, 3306, 3306B, 3306C, 330B, 330B ...
3628853
SEAL GP-CRANKSHAFT
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235B, 330, 3304, 3304B, 3306, 3306B, 3306C, 330B L, 350, 515, 517, ...
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235B, 330, 3304, 3304B, 3306, 3306B, 3306C, 330B L, 350, 515, 517, ...
4W0452
SEAL GP-CRANKSHAFT
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235, 235B, 3176C, 3196, 330, 330 L, 3304, 3304B, 3306, 3306B, 3306C, 330B...
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235, 235B, 3176C, 3196, 330, 330 L, 3304, 3304B, 3306, 3306B, 3306C, 330B...
9F4446
SEAL-O-RING
120, 120B, 120G, 12F, 12G, 12H, 130G, 140, 140B, 140G, 140M, 140M 2, 14E, 14G, 14H NA, 160G, 160M, 160M 2, 163, 16G, 16H NA, 215, 215B, 215C, 225, 229, 2290, 235, 235C, 2390, 2391, 245, 245B, 2491, 25...
120, 120B, 120G, 12F, 12G, 12H, 130G, 140, 140B, 140G, 140M, 140M 2, 14E, 14G, 14H NA, 160G, 160M, 160M 2, 163, 16G, 16H NA, 215, 215B, 215C, 225, 229, 2290, 235, 235C, 2390, 2391, 245, 245B, 2491, 25...
8M4448
SEAL-O-RING
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 16, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1693, 235, 235B, 3208, 330, 330 L, 3304, 3304B, 3306, 3306B, 33...
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 16, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1693, 235, 235B, 3208, 330, 330 L, 3304, 3304B, 3306, 3306B, 33...
8M4991
SEAL-O-RING
12E, 16, 1673B, 1674, 1693, 3304, 3304B, 3306, 3306B, 3406, 583K, 621, 623, 631C, 651, 657, 657B, 666, 768B, 769, 772, 773, 777, 824, 824B, 963, 963B, 973, 977H, 977K, 983, 988, CB-534, D320A, D333A, ...
12E, 16, 1673B, 1674, 1693, 3304, 3304B, 3306, 3306B, 3406, 583K, 621, 623, 631C, 651, 657, 657B, 666, 768B, 769, 772, 773, 777, 824, 824B, 963, 963B, 973, 977H, 977K, 983, 988, CB-534, D320A, D333A, ...
8M5248
SEAL-O-RING
120B, 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14E, 14G, 14H NA, 16, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 215, 225, 235, 235B, 235C, 235D, 330, 330 FM L...
120B, 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14E, 14G, 14H NA, 16, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 215, 225, 235, 235B, 235C, 235D, 330, 330 FM L...
8M5253
SEAL-O-RING
120B, 120G, 120K, 120K 2, 120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14G...
120B, 120G, 120K, 120K 2, 120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14G...
3P1155
SEAL-O-RING
140H, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 1673C, 205B, 206B, 211B, 212B, 215, 235B, 235C, 24M, 3204, 325D L, 330, 330 FM L, 3304, 3304B, 3306, 3306B, 3306C, 330B L, 3406, 3406B, 3406E, 3408...
140H, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 1673C, 205B, 206B, 211B, 212B, 215, 235B, 235C, 24M, 3204, 325D L, 330, 330 FM L, 3304, 3304B, 3306, 3306B, 3306C, 330B L, 3406, 3406B, 3406E, 3408...
1142687
SEAL-O-RING
120G, 120H, 12G, 12H, 12H ES, 12H NA, 12M, 130G, 135H, 140G, 140H, 140H ES, 140H NA, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H, 163H NA, 1673C, 16G, 16H, 16H NA, 235B, 235C, 245...
120G, 120H, 12G, 12H, 12H ES, 12H NA, 12M, 130G, 135H, 140G, 140H, 140H ES, 140H NA, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H, 163H NA, 1673C, 16G, 16H, 16H NA, 235B, 235C, 245...
5P8118
SEAL-O-RING
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235B, 235C, 330, 330 FM L, 3304, 3304B, 3306, 3306B, 3306C, 330B L,...
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235B, 235C, 330, 330 FM L, 3304, 3304B, 3306, 3306B, 3306C, 330B L,...