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We are an industry-leading diesel core buyers and sellers.

At Goldfarb & Associates, we are trusted diesel core buyer, specializing in high-quality diesel cores for various applications. Whether you need diesel engine core buyers for heavy-duty trucks, industrial machinery, or agricultural equipment, we’ve got you covered. We also specialize in purchasing and selling a wide range of cores, including injector core buyers, turbo core buyers, and ECM core buyers. Our extensive inventory includes cores from top brands like:

If you’re a core buyer looking for exceptional service, fast turnaround times, and competitive pricing, Goldfarb & Associates is one of your go-to diesel core buyers.

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Product Part Number Quantity
DB2335-5647 (05647 ; RE504059) Core Stanadyne Injection Pump fits John Deere 3029DF B1 Tractor (5105) Engine DB2335-5647 16
DB2335-5648 (RE504060) STANADYNE JOHN DEERE INJECTION PUMP CORE DB2335-5648 19
DB2335-5660 (RE504951) JOHN DEERE INJECTION PUMP CORE DB2335-5660 10
DB2335-5666 (05666 ; RE505093) Core Stanadyne Injection Pump fits John Deere 3029DF JD240 Skid Steer Loader (39.5 kW) Engine DB2335-5666 10
DB2335-5810 (RE515384) JOHN DEERE STANADYNE PUMP CORE DB2335-5810 11
DB2335-5823 (05823 ; RE518650) Core Stanadyne Injection Pump fits John Deere 3029DF 5103 Tractor Engine DB2335-5823 1
DB2435-4972 (DB2435-4972) Injection Pump Core fits John Deere Engine DB2435-4972 2
DB2435-5289 (05289 ; RE67557) Core Stanadyne Injection Pump fits John Deere 4045D OEM (60 kW) Engine DB2435-5289 1
DB2435-5313 (RE67925) John Deere Stanadyne Injection Pump Core DB2435-5313 2
DB2435-5324 (05324 ; RE71089) Core Stanadyne Injection Pump fits John Deere 4045D OEM (60 kW) -Ingersoll Rand Engine DB2435-5324 6
DB2435-5354 STANADYNE INJECTION PUMP CORE DB2435-5354 21
DB2435-5374 STANADYNE INJECTION PUMP CORE DB2435-5374 6
DB2435-5577 (RE502711) STANADYNE JOHN DEERE INJECTION PUMP CORE DB2435-5577 46
DB2435-5593 (DB2435-5593) Stanadyne Injection Pump fits John Deere Engine DB2435-5593 10
DB2435-5611 (05611 ; RE503258) Core Stanadyne Injection Pump fits John Deere 4045D OEM (36 kW) Engine DB2435-5611 2
DB2435-5613 (05613 ; RE502712) Core Stanadyne Injection Pump fits John Deere 4045D OEM (63 kW) Engine DB2435-5613 6
DB2435-5614- Stanadyne John Deere Injection Pump Core DB2435-5614 2
DB2435-5626 (RE503560) STANADYNE INJECTION PUMP CORE DB2435-5626 1
DB2435-5835 (RE519019) Core Stanadyne Fuel Injection Pump fit John Deere Engine DB2435-5835 11
DB2435-5836 STANADYNE INJECTION PUMP CORE DB2435-5836 93
DB2435-5854 (RE519023) Injection Pump fits John Deere Engine DB2435-5854 30
DB2435-5860 (RE519056-SE502013) Core Stanadyne Fuel Injection Pump fit John Deere Engine DB2435-5860 1
DB2435-5865 (05865 ; RE519022) Core Stanadyne Injection Pump fits John Deere 4045DF270 OEM (60 kW)(1.2 cSt) Tier 2 Engine DB2435-5865 12
DB2629-4108 ROOSA MASTER INJECTION PUMP CORE DB2629-4108 1
DB2825-3633 (DB2825-3633) 5.7 Injection Pump fits GM Engine DB2825-3633 1
DB2825-3744 (DB2825-3744) Core Injection Pump fits Roosa Master Engine DB2825-3744 2
DB2825-3811 (DB2825-3811) 5.7L Injection Pump fits GM Engine DB2825-3811 2
DB2825-3840 (DB28253840) Stanadyne 5.7L Injection Pump Core fits GM Engine DB2825-3840 3
DB2825SF3927 (DB2825SF3927) Core - Injection Pump fits Engine DB2825SF3927 1
DB2829-3926 ROOSA MASTER INJECTION PUMP CORE DB2829-3926 1
DB2829-3973 (DB2829-3973) Core Injection Pump fits Roosa Master Engine DB2829-3973 1
DB2829-4112 (DB2829-4112) Injection Pump Fits Diesel Engine DB2829-4112 2
DB2829-4130 (DB2829-4130) Core Injection Pump fits Engine DB2829-4130 1
DB2829-4369 (DB2829-4369) Core 6.9 Injection Pump fits Stanadyne Engine DB2829-4369 13
DB2829-ZE4288 (DB2829-ZE4288) Core 5.7L Injection Pump fits Engine DB2829-ZE4288 1
DB2831-5028 (F2TZ9A543C; 1816523C91; DB2-5028) Stanadyne Injection Pump Core Fits 92-94 Ford 7.3L Manual (185 Hp) Truck Engine FORD 7.3 #5028 1
DB2831-5119 (10238969; 10229115; 10229119; 12550269; DB2-5088; DB2-5089; DB2-5119; DB2831 5119; DB2-5438; 060712ACM; GM 6.5 #5119R) Stanadyne 8 Cylinder Mechanical Injection Pump Core Fits GM Diesel 6.5L 92-01 Engine DB2831-5119 1
DB4327-5360 (05360 ; RE500441) Core Stanadyne Injection Pump fits John Deere 3029DLV50 S1-5210 Tractor Engine DB4327-5360 1
DB4327-5366 (05366 ; RE500442) Core Stanadyne Injection Pump fits John Deere 3029TLV50 S2-5310 Tractor JD5 Skid Loader Engine DB4327-5366 10
DB4327-5562 (05562 ; RE500442) Core Stanadyne Injection Pump fits John Deere 3029TLV50 S2-5310 Tractor / JD5 Skid Steer Loader Engine DB4327-5562 12
DB4327-5571 STANADYNE INJECTION PUMP CORE DB4327-5571 9
DB4327-5583 STANADYNE INJECTION PUMP CORE DB4327-5583 5
DB4327-5658 (RE504894) Core Stanadyne Fuel Injection Pump fits John Deere Engien DB4327-5658 3
DB4327-5726 (DB4327-5726) Injection Pump fits John Deere Engine DB4327-5726 4
DB4327-5736 STANADYNE INJECTION PUMP CORE DB4327-5736 1
DB4327-5824 (SE501201) John Deere Injection Pump Core DB4327-5824 2
DB4327-5828 (RE519015) Core Stanadyne Fuel Injection Pump fit John Deere Engine DB4327-5828 8
DB4327-5846 (05846 ; RE519016) Core Stanadyne Injection Pump fits John Deere 3029TF270 Generator OEM (48 kW)(1.2 cSt) Tier 2 Engine DB4327-5846 1
DB4327-5853 (RE519327) Core Stanadyne Fuel Injection Pump fit John Deere Engine DB4327-5853 2
DB4327-5855- Stanadyne John Deere Injection Pump Core DB4327-5855 3

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