3G7664 CARTRIDGE GP-REAR Caterpillar parts
235, 621B, 621E, 621F, 621G, 623B, 623E, 627E, 627F, 627G
Rating:
Alternative (cross code) number:
CA3G7664
3G-7664
3G7664
CA3G7664
3G-7664
3G7664
Weight: 13 pounds 5 kg.
EXCAVATOR, WHEEL TRACTOR,
Related part:
3G7664
CARTRIDGE-GP-YM
4228130
CL
3G7664
CARTRIDGE GP
0R1484
R
You can buy:
US$244.59
28 May 2025
FridayParts
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Nayuank Hydraulic Pump Cartridge 3G-7664 3G7664 Fits For Caterpillar CAT 235 632E 637E 621B 621E 621F 621G 623B 623E 627E 627F 627G Engine 3306 3406 3406B 3406C 3406E C15
Nayuank Part Name: Hydraulic Pump Cartridge || Part Number: 3G-7664 3G7664 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Engine Model: C15 || Applicable: Fits For Caterpillar CAT 235 632E 637E 621B 621E 621F 621G 623B 623E 627E 627F 627G Engine 3306 3406 3406B 3406C 3406E C15 || Package included: 1pcs Hydraulic Pump Cartridge 3G-7664 3G7664
Nayuank Part Name: Hydraulic Pump Cartridge || Part Number: 3G-7664 3G7664 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Engine Model: C15 || Applicable: Fits For Caterpillar CAT 235 632E 637E 621B 621E 621F 621G 623B 623E 627E 627F 627G Engine 3306 3406 3406B 3406C 3406E C15 || Package included: 1pcs Hydraulic Pump Cartridge 3G-7664 3G7664
VIIKEND Hydraulic Pump Cartridge 3G-7664 3G7664 Compatible with Caterpillar CAT 235 632E 637E 621B 621E 621F 621G 623B 623E 627E 627F 627G Engine 3306 3406 3406B 3406C 3406E C15
VIIKEND Part Name: Hydraulic Pump Cartridge || Part Number: 3G-7664 3G7664 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Engine Model: C15 || Applicable: Compatible with Caterpillar CAT 235 632E 637E 621B 621E 621F 621G 623B 623E 627E 627F 627G Engine 3306 3406 3406B 3406C 3406E C15 || Package included: 1pcs Hydraulic Pump Cartridge 3G-7664 3G7664
VIIKEND Part Name: Hydraulic Pump Cartridge || Part Number: 3G-7664 3G7664 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Engine Model: C15 || Applicable: Compatible with Caterpillar CAT 235 632E 637E 621B 621E 621F 621G 623B 623E 627E 627F 627G Engine 3306 3406 3406B 3406C 3406E C15 || Package included: 1pcs Hydraulic Pump Cartridge 3G-7664 3G7664
3G7664 Hydraulic Pump Cartridge Fits for Caterpillar CAT 3306 3406 C15 Engine 235 621B 621E 621F 621G 623B 623E
GENERIC Part Name:Hydraulic Pump Cartridge || Part Number:3G7664 || Application:Fits for Caterpillar CAT 3306 3406 C15 Engine 235 621B 621E 621F 621G 623B 623E || Notice:Please be very careful to check our photos and part numbers, make sure the photos showed is the same as you wanted. || Service:If you are not satisfied with your purchase, contact us directly.
GENERIC Part Name:Hydraulic Pump Cartridge || Part Number:3G7664 || Application:Fits for Caterpillar CAT 3306 3406 C15 Engine 235 621B 621E 621F 621G 623B 623E || Notice:Please be very careful to check our photos and part numbers, make sure the photos showed is the same as you wanted. || Service:If you are not satisfied with your purchase, contact us directly.
Compatible equipment models: 3G7664:
Information:
REBE9488-00
10Dec2013
U-620
A-429
D-508
O-519
TM-14
After Failure Only
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PISTON PACKS ON CERTAIN C32 MARINE ENGINES
1239 PS52571
This Program can only be administered after a failure occurs.The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52571" as the Part Numberand "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
TERMINATION DATE
31Dec2015
PROBLEM
The existing pistons can fail on certain C32 Marine Engines. If the existing piston fails it can cause high blow-by and oil consumption.
AFFECTED PRODUCT
Model Identification Number
*******Group 1*******
C32 RNC02180-03198
RNZ00101-00158, 160, 162-181, 183-189, 191-220, 222-223, 225-231, 233-250, 252-253, 255-261, 263-270, 272-274, 276-294, 296-304, 306-355
T3T00101-00213, 215-381, 383
*******Group 2*******
C32 RND00102-00103, 113, 143, 146, 270-271, 276
RNX00307
RNY00836, 886, 891
PARTS NEEDED
Qty
Part Number Description
*******Group 1*******
2 1R1808 FILTER-LUBE
48 3E6772 SEAL-WATER
4 3E6773 SEAL-O RING
4 3P0655 SEAL-O-RING
2 5E8771 SEAL-O-RING
2 5F3999 SEAL-O RING
4 5P8356 SEAL-O-RING
4 5S9134 SEAL-O-RING
8 6K6307 SEAL-O-RING
4 6L7817 SEAL-O-RING
2 6V3250 SEAL-O-RING
4 6V4589 SEAL-O-RING
2 6V5063 SEAL-O-RING
2 6V5064 SEAL-O-RING
4 6V6609 SEAL-O-RING
2 6V9027 SEAL-O-RING
4 7L4773 SEAL-O-RING
2 7M7273 GASKET-TURBO
2 8C3089 SEAL-O-RING
8 8T0315 SEAL-O-RING-ORFS
4 8T1703 SEAL-O RING
12 9L5854 BAND-FILLER
2 9M9647 SEAL-O-RING
12 9X7317 SEAL-FUEL SYSTEM
2 0619456 SEAL-O-RING
8 1090076 SEAL-O-RING
24 1090092 SEAL-O-RING
4 1121102 SEAL-O-RING
4 1123540 SEAL-O-RING
4 1144427 SEAL-O-RING
4 1178801 SEAL-O-RING
4 1262702 SEAL-INTEGRAL
12 1501156 BOLT - OIL JET
12 1550809 SEAL-LINER
12 1550810 SEAL-LINER
12 1552793 SEAL-LINER
12 1807350 PIN-PISTON
4 1986068 SEAL-INTEGRAL
4 2054831 SEAL-O-RING
2 2147568 SEAL-O-RING-STOR
2 2226456 SEAL
6 2247506 SEAL-ISOLATION
2 2253099 GASKET-CYL HEAD
2 2253101 GASKET-PLATE
2 2265613 GASKET
24 2302569 RETAINER - PIN
12 2303728 SEAL-FUEL SYSTEM
12 2303775 SEAL-FUEL SYSTEM
4 2314708 SEAL-O-RING
12 2323226 BEARING-ROD
12 2323232 ROD AS-CONN
2 2361525 SEAL AS
2 2388709 GASKET
2 2418156 GASKET
12 2465659 RING-PISTON-OIL
12 3445153 RING-PISTON
12 3492568 RING-PISTON-TOP
12 3556043 TUBE AS-OIL JET
12 3908763 BODY AS-PISTON
1 SEALANT LOCTITE 5923
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
*******Group 2*******
2 1R1808 FILTER-LUBE
48 3E6772 SEAL-WATER
4 3E6773 SEAL-O RING
4 3P0655 SEAL-O-RING
2 5E8771 SEAL-O-RING
2 5F3999 SEAL-O RING
4 5P8356 SEAL-O-RING
4 5S9134 SEAL-O-RING
8 6K6307 SEAL-O-RING
4 6L7817 SEAL-O-RING
2 6V3250 SEAL-O-RING
4 6V4589 SEAL-O-RING
2 6V5063 SEAL-O-RING
2 6V5064 SEAL-O-RING
4 6V6609 SEAL-O-RING
2 6V9027 SEAL-O-RING
4 7L4773 SEAL-O-RING
2 7M7273 GASKET-TURBO
2 8C3089 SEAL-O-RING
8 8T0315 SEAL-O-RING-ORFS
4 8T1703 SEAL-O RING
12 9L5854 BAND-FILLER
2 9M9647 SEAL-O-RING
12 9X7317 SEAL-FUEL SYSTEM
12 20R0194 CYLINDER PACK AS
2 0619456 SEAL-O-RING
8 1090076 SEAL-O-RING
24 1090092 SEAL-O-RING
4 1121102 SEAL-O-RING
4 1123540 SEAL-O-RING
4 1144427 SEAL-O-RING
4 1178801 SEAL-O-RING
4 1262702 SEAL-INTEGRAL
12 1501156 BOLT - OIL JET
12 1550809 SEAL-LINER
12 1550810 SEAL-LINER
12 1552793 SEAL-LINER
4 1986068 SEAL-INTEGRAL
4 2054831 SEAL-O-RING
2 2147568 SEAL-O-RING-STOR
2 2226456 SEAL
6 2247506 SEAL-ISOLATION
2 2253099 GASKET-CYL HEAD
2 2253101 GASKET-PLATE
2 2265613 GASKET
12 2303728 SEAL-FUEL SYSTEM
12 2303775 SEAL-FUEL SYSTEM
4 2314708 SEAL-O-RING
2 2361525 SEAL AS
2 2388709 GASKET
2 2418156 GASKET
12 3556043 TUBE AS-OIL JET
1 SEALANT LOCTITE 5923
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
A failure is identified by having an engine with excessive oil consumption and/or excessive blow-by.
Replace all 12 piston packs. Refer to SENR8628.
Engines listed in Group 1 require the cylinder packs to be built as shown in Image 1. Refer to SENR8628.
Image1
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
*******Group 1*******
0-5000 hrs,
0-60 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 134.0-hour job for Group 1
A miscellaneous charge of up to $200 will be accepted to cover any additional parts that may be needed. Include details in claims story.
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
*******Group 2*******
0-5000 hrs,
0-60 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 130.0-hour job for Group 2
A miscellaneous charge of up to $200 will be accepted to cover any additional parts that may be needed. Include details in claims story.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar SIS machinery equipment:
Caterpillar SIS
621B TRACTOR / POWERSHIFT / 45P02712-UP (MACHINE) POWERED BY 3406 ENGINE »
3G-7664
CARTRIDGE GP-REAR
623B TRACTOR 46P01602-UP (MACHINE) POWERED BY 3406 ENGINE »
3G-7664
CARTRIDGE GP-REAR
621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE »
3G-7664
CARTRIDGE GP-VANE PUMP
623E TRACTOR/SCRAPER 6CB00001-UP (MACHINE) POWERED BY 3406 ENGINE »
3G-7664
CARTRIDGE GP-REAR
627E Scraper PS 6EB00001-UP (MACHINE) POWERED BY 3306 Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
623E Wheel Tractor/Scraper 5SG00001-00479 (MACHINE) POWERED BY 3406 Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
627E WHEEL Tractor-Scraper 3WJ00001-UP (MACHINE) »
3G-7664
CARTRIDGE GP-VANE PUMP
621E Wheel Tractor-Scraper 2PD01011-UP (MACHINE) POWERED BY 3406 Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
621E Wheel Tractor-Scraper 6AB01428-UP (MACHINE) POWERED BY 3406 Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
621F Wheel Tractor Scraper 4SK00001-UP (MACHINE) POWERED BY 3406 Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
621F Wheel Tractor-Scraper 8PL00001-UP (MACHINE) POWERED BY 3406C Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
627F Wheel Tractor Scraper 1DL00001-UP (MACHINE) »
3G-7664
CARTRIDGE GP-VANE PUMP
621G Wheel Tractor ALP00001-UP (MACHINE) POWERED BY 3406E Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
627G Wheel Tractor AXF00001-UP (MACHINE) POWERED BY 3406E Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
621G Wheel Tractor CEN00001-UP (MACHINE) POWERED BY 3406E Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
627G Wheel Tractor CEX00001-UP (MACHINE) POWERED BY 3406E Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
621G Wheel Tractor DBB00001-UP (MACHINE) POWERED BY C15 Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
627G Wheel Tractor DBD00001-UP (MACHINE) POWERED BY C15 Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
621G Wheel Tractor (US Military) KJW00001-UP (MACHINE) POWERED BY C15 Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
621G Wheel Tractor (US Military) NEL00001-UP (MACHINE) POWERED BY C15 Engine »
3G-7664
CARTRIDGE GP-VANE PUMP
623B TRACTOR 46P00001-01601 (MACHINE) »
3G-7664
CARTRIDGE GP-REAR
621B TRACTOR 35V00001-UP (MACHINE) »
3G-7664
CARTRIDGE GP-REAR
621E TRACTOR/SCRAPER / POWER SHIFT / 2PD00001-01010 (MACHINE) POWERED BY 3406 ENGINE »
3G-7664
CARTRIDGE GP-VANE PUMP
Caterpillar parts catalog:
Parts cartridge Caterpillar catalog:
8N0817
CARTRIDGE GP-TURBOCHARGER
16G, 245, 621, 621B, 623B, 627B, 824C, 825C, 826C, 980C, 983B
16G, 245, 621, 621B, 623B, 627B, 824C, 825C, 826C, 980C, 983B
3G7652
CARTRIDGE GP-REAR
623B, 623E
623B, 623E
3G7651
CARTRIDGE GP-FRONT
623B, 623E
623B, 623E
2146914
CARTRIDGE GP-TURBOCHARGER
3306, 3306B, 350, 545, 611, 615C, 627B, 627E, 627F, 627G, 637D, 637E, 637G, 65C, 814F, 815F, 816F, 966F II, 966G, 970F, 972G, 973, D250E, D250E II, D300E, D300E II
3306, 3306B, 350, 545, 611, 615C, 627B, 627E, 627F, 627G, 637D, 637E, 637G, 65C, 814F, 815F, 816F, 966F II, 966G, 970F, 972G, 973, D250E, D250E II, D300E, D300E II
4N9534
CARTRIDGE ASSEM.
1673C, 1674, 235, 3306, 571G, 966D, D7F, D7G
1673C, 1674, 235, 3306, 571G, 966D, D7F, D7G
6N1524
CARTRIDGE ASSEM.
140B, 235, 966R, 977K, 977L, D6C
140B, 235, 966R, 977K, 977L, D6C
3161438
CARTRIDGE AS
14H, 16H, 336E H, 336E LH, 336F L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 5090B, 5130, 5230, 525D, 535D, 545D, 555D, 621G, 621H, ...
14H, 16H, 336E H, 336E LH, 336F L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 5090B, 5130, 5230, 525D, 535D, 545D, 555D, 621G, 621H, ...
5J4502
CARTRIDGE ASSEM.
621B, 824, 824B, 824S, 834, 977K, 977L, 980, 980B, 988
621B, 824, 824B, 824S, 834, 977K, 977L, 980, 980B, 988
1679270
CARTRIDGE GP-TURBOCHARGER
385B, 5090B, 5110B, 621G, 623G, 627F, 627G, 657B, 980G II, AD30, D10N, D10R, D8L, D8R, D8R II, D9N, D9R, R2900G
385B, 5090B, 5110B, 621G, 623G, 627F, 627G, 657B, 980G II, AD30, D10N, D10R, D8L, D8R, D8R II, D9N, D9R, R2900G
7J0574
CARTRIDGE ASSEM.
621B, 623B, 992
621B, 623B, 992
5J7517
CARTRIDGE ASSEM. (57 GPM)
623B, 633D, 966C, 980
623B, 633D, 966C, 980
1W6865
CARTRIDGE GP-TURBOCHARGER
3306, 3306B, D25C, D25D, D300B, D30C, D350C, D35C, D6D
3306, 3306B, D25C, D25D, D300B, D30C, D350C, D35C, D6D
7C7503
CARTRIDGE GP-TURBOCHARGER
16G, 16H NA, 3208, 3406B, 578, 980C, D8N
16G, 16H NA, 3208, 3406B, 578, 980C, D8N
7C7600
CARTRIDGE GP-TURBOCHARGER
3306, 3306B
3306, 3306B
4P4686
CARTRIDGE GP-TURBOCHARGER
213B, 214B, 3116, 320 L, 325, 325 L, 950F, 953B, CB-634, CP-563, CS-531, CS-531C, CS-533, CS-533C, CS-563C, CS-573, CS-573C, CS-583, CS-583C, D250D, E200B, E240C, EL240B
213B, 214B, 3116, 320 L, 325, 325 L, 950F, 953B, CB-634, CP-563, CS-531, CS-531C, CS-533, CS-533C, CS-563C, CS-573, CS-573C, CS-583, CS-583C, D250D, E200B, E240C, EL240B
3G2195
CARTRIDGE GP-VANE PUMP
916, 941, G916
916, 941, G916
1465076
CARTRIDGE GP-VANE PUMP
950G, 950G II, 962G, 962G II, IT62G, IT62G II
950G, 950G II, 962G, 962G II, IT62G, IT62G II
9N3676
CARTRIDGE GP-TURBOCHARGER
3406, 3412, 3412C, 3412E, 824C, 825C, 826C, 980C, 992C, G3512, PM3412, PR-1000, PR-750B
3406, 3412, 3412C, 3412E, 824C, 825C, 826C, 980C, 992C, G3512, PM3412, PR-1000, PR-750B
1006916
CARTRIDGE GP-TURBOCHARGER
561M, 928G, 938F, 953C, AP-1000, CB-634C, CS-563C, CS-583C, D5M, D6M, IT28G, IT38F
561M, 928G, 938F, 953C, AP-1000, CB-634C, CS-563C, CS-583C, D5M, D6M, IT28G, IT38F
1162816
CARTRIDGE GP-TURBOCHARGER
3606, 3612
3606, 3612
1W1814
CARTRIDGE GP-TURBOCHARGER
3406, 3406B, 3406C, 772B, 773B
3406, 3406B, 3406C, 772B, 773B
6E6477
CARTRIDGE GP-VANE PUMP
928G, 928HZ, 938F, 938G, 938G II, IT18F, IT24F, IT28F, IT28G, IT38F, IT38G, IT38G II
928G, 928HZ, 938F, 938G, 938G II, IT18F, IT24F, IT28F, IT28G, IT38F, IT38G, IT38G II