Product Introduction
This curated parts lineup covers all high-wear and mission-critical components for the 12VB diesel engine and DY155/DY180 injection pump, including engine ignition parts (spark plugs, ignition coils), cylinder assemblies, valves, pistons, bearings, filters, pump hydraulic components (impellers, bushings, wear rings), sealing parts, fasteners, and control accessories. All parts comply with GB/T industrial standards, API drilling equipment specifications, and OEM quality requirements, with full material traceability and performance testing. The assortment includes engine-specific hard parts, pump wear components, high-precision bearings, and durable elastomer seals, fully mapped to OEM part numbers for simplified inventory management and emergency repairs.
Functional Performance Specifications
These spare parts deliver consistent, reliable performance for both engine and pump systems: engine valve assemblies maintain optimal air-fuel flow with a sealing efficiency of 99.5% to boost combustion efficiency; pump wear rings and bushings reduce internal fluid bypass by up to 35%, preserving rated injection pressure; high-grade piston rings and O-rings resist thermal degradation and fluid corrosion, eliminating leak paths; SKF thrust bearings provide stable radial and axial load support with a service life rating of L10 at 10,000 operating hours; and filter elements deliver 10-micron particulate filtration to protect critical engine and pump components from contamination.
Structural & Material Features
- OEM-Certified Precision Machining: All metal components are machined to ±0.001 inch dimensional tolerance, ensuring perfect alignment and fitment to eliminate premature wear
- High-Durability Materials: Heat-treated alloy steel for engine valves/pistons, wear-resistant cast iron for pump bushings, heat-resistant nitrile rubber for seals, and premium-grade bearings for heavy-load operation
- Modular Repair Design: Pre-sized seal kits, bearing sets, and wear components reduce field repair time by up to 50% compared to custom-fabricated parts
- Thermal Stability: Engine components withstand operating temperatures up to 350°F, while pump seals resist chemical degradation from drilling fluids and lubricants
- Compliant Fastening & Sealing: All fasteners meet GB thread standards, and sealing components conform to industrial pressure sealing requirements for leak-free operation
Applicable Operating Conditions
These spare parts are built for harsh oilfield and industrial operating environments, optimized for 12VB series diesel engines and DY155/DY180 injection pumps used in Gara-Altyn rigs and similar drilling setups. They perform reliably in ambient temperatures ranging from -10°F to 140°F, handling high-vibration operation, corrosive drilling fluids, and continuous duty cycles. Components are rated for both intermittent backup operation and 24/7 continuous industrial use, suitable for onshore drilling rigs, remote energy facilities, and industrial fluid injection systems.
Maintenance & Service Recommendations
- Inspect engine valves, piston rings, and cylinder liners every 3,000 operating hours for wear, scoring, or carbon buildup to maintain combustion efficiency
- Replace pump wear rings, bushings, and sealing O-rings every 2,000 operating hours to prevent fluid leakage and pressure loss
- Change engine and pump filter elements quarterly to remove particulate contamination and protect critical moving components
- Lubricate pump bearings and engine camshafts per OEM specifications to reduce friction and extend component service life
- Stock high-wear parts (seals, filters, valves, bearings) preventatively to minimize unplanned downtime during emergency repairs
We supply the following spare parts:
| Item | Description (w Model / p/n) | Unit of measurement | ||
| 2 | WIRE, HIGH TENSION SUBASSEMBLY; Part Number: 127.90.10; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 3 | IGNITION COIL; Part Number: 127.90.60; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 4 | CYLINDER HEAD ASSEMBLY IS THIS COMPLETE HEADS READY TO INSTALL ; Part Number: 127.03.00B; Manufacturer: CHIDONG | EA | ||
| 5 | VALVE EXHAUST; Part Number: 12VB.03.22; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 6 | VALVE, INTAKE; Part Number: 12VB.03.37A; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 7 | CYLINDER LINER; Part Number: 12V.01.02C; Manufacturer: CHIDONG | EA | ||
| 8 | CYLINDER SLEEVE WATER SEAL; Part Number: 12VB.01.136; Manufacturer: CHIDONG | EA | ||
| 9 | SEAL RING UPPER RUBBER CYLINDER HEAD; Part Number: 12VB.01.134; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 10 | SEAT, EXHAUST VALVE; Part Number: 127.03.80.05; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 11 | VALVE, INTAKE SEAL; Part Number: 127.03.80.04; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 12 | O-RING, SET PISTON (FIRST RING); Part Number: 12VB.05.09B12VB.05.20; Manufacturer: CHIDONG | SET | ||
| 13 | PISTON ; Part Number: 127.05.01A; Manufacturer: CHIDONG | EA | ||
| 14 | AIR STARTING MOTOR; Part Number: 701.46F.60; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 15 | FILTER ELEMENT OIL; Part Number: 12VB.18.10B; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 16 | FILTER ELEMENT MAIN FOR GARA-ALTYN RIG; Part Number: 12VB.36M.40; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 17 | FILTER ELEMENT SECOND FOR GARA-ALTYN RIG; Part Number: 12VB.36M.50; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 18 | GASKET; Part Number: 127.08.09B; Manufacturer: CHIDONG | EA | ||
| 19 | GASKET; Part Number: 127.08.40C.06A; Manufacturer: CHIDONG | EA | ||
| 20 | O-RING, SET PISTON (FIRST RING); Part Number: 12VB.05.09B12VB.05.20; Manufacturer: CHIDONG | SET | ||
| 21 | FRONT CAMSHAFT; Part Number: 127.06.30.02; Manufacturer: JINAN DIESEL ENGINE CO., LTD. | EA | ||
| 22 | REAR CAMSHAFT; Part Number: 127.06.30.01; Manufacturer: JINAN DIESEL ENGINE CO., LTD. | EA | ||
| 23 | TAPER PIN; Part Number: Z12VB.06.30.03; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 24 | KEY; Part Number: 12V.06.21; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 25 | VALVE, THROTTLE; Part Number: 12VB.01.141; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 26 | SLEEVE; Part Number: 12VB.01.05; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 27 | SEAL RING; Part Number: 12VB.01.146; Manufacturer: Jinan Diesel Engine Co., Ltd. | EA | ||
| 28 | DISK, PACK, FOR FLEXIBLE LAMINATED MEMBRANE COUPLING; Part Number: TDG6-520-10; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 29 | SLEEVE, FLEXIBLE LAMINATED MEMBRANE COUPLING; Part Number: D6-280-07; Manufacturer: ZHEJIANG | EA | ||
| 30 | SPACER (FLEXIBLE LAMINATED MEMBRANE COUPLING); Part Number: TD6-470-09003; Manufacturer: ZHEJIANG | EA | ||
| 31 | THROAT BUSHING; Part Number: DY155-67-0017; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 32 | BALANCING BUSHING; Part Number: DY155-67A-0008; Manufacturer: ZHEJIANG KEER PUMP | EA | ||
| 33 | BALANCING DRUM; Part Number: DY155-67A-0104; Manufacturer: ZHEJIANG KEER PUMP | EA | ||
| 34 | RING CASING WEAR; Part Number: DY155-67-0015; Manufacturer: YANCHENG CITY XINDE PETROLEUM MACHINERY PLANT, CHINA | EA | ||
| 35 | INTERSTAGE SLEEVE; Part Number: DY155-67-0103; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 36 | IMPELLER WEAR RING FOR KEER PUMP; Part Number: DY155-67-0108; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 37 | GUIDE VANES BUSHING; Part Number: DY155-67-0007; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 38 | IMPELLER FOR PUMP; Part Number: DY155-67-0102; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 39 | SHAFT; Part Number: DY155-67-0101B; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 40 | UPPER HALF BEARING HOUSE COMPLETE SET, Part Number: DC25-100-0302 + DC25-100-0301, Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 41 | O-RING 140 X 3.1 FOR KEER PUMP; Part Number: GB1235-76; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 42 | O-RING 140 X 3.1 FOR KEER PUMP; Part Number: GB1235-76; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 43 | DUST DISC; FOR PUMP; Part Number: DG140-59-0306; Manufacturer: ZHEJIANG KEER PUMP STOCK CO., LTD | EA | ||
| 44 | THRUST BEARING, DRAWING NO. GB/T292-94; Part Number: 7309B/DB; Manufacturer: SKF CUSCINETTI S.P.A. | EA | ||
| 45 | GASKET 180X135X0.12; Manufacturer: ZHEJIANG KEER PUMP STOCK CO., LTD | EA | ||
| 46 | KEY 6X32; Part Number: GB1096-79; Manufacturer: CGLM | EA | ||
| 47 | BEARING; INSIDE SLEEVE; Part Number: DC25-100-0404; Manufacturer: ZHEJIANG KEER PUMP STOCK CO., LTD | EA | ||
| 48 | BEARING OUTSIDE SLEEVE; Part Number: DC25-100-0405; Manufacturer: ZHEJIANG KEER PUMP STOCK CO., LTD | EA | ||
| 49 | RING ADJUSTING ; Part Number: DC25-100-0407; Manufacturer: ZHEJIANG KEER PUMP STOCK CO., LTD | EA | ||
| 50 | LOCKNUT M64X2 (CW); Part Number: GB810-88; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 51 | KEY 8 X 63 FOR PUMP DY180-67X10; Part Number: GB1096-79; Manufacturer: ZHEJIANG KEER PUMP STOCK CO.,LTD | EA | ||
| 52 | CASING WEAR RING OF SUCTION CASING FOR KEER PUMP DY180-67X10; Part Number: DY155-67-0018; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 53 | LENGTHEN SLEEVE FOR KEER PUMP DY180-67X10; Part Number: DY155-67-0111; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 54 | SLEEVE STUFFING (FOR KEER PUMP); Part Number: DY180-67-0106; Manufacturer: ZHEJIANG | EA | ||
| 55 | O-RING 70X3.1; Part Number: GB1235-76_70X3.1; Manufacturer: ZHEJIANG KEER PUMP STOCK CO., LTD | EA | ||
| 56 | LOCKNUT M64X2 (CW); Part Number: GB810-88; Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 57 | BUSHING OIL SEAL RING; Part Number: T300-04-013; Manufacturer: ZHEJIANG KEER PUMP STOCK CO., LTD | EA | ||
| 58 | OIL RING; Part Number: Z720-02-001; Manufacturer: ZHEJIANG KEER PUMP STOCK CO., LTD | EA | ||
| 59 | STUFFING; Dimensions: 16 X 16 X 324 MM; Part Number: 16x16x324; Manufacturer: ZHEJIANG KEER PUMP STOCK CO., LTD | EA | ||
| 60 | PACKING, 5/8″, 40FT BOX, WT: 14 LBS; Part Number: C1050; Manufacturer: JOHN CRANE ITALIA SPA | EA | ||
| 61 | Oil level sight# glass, Part Number: GB1160-79, Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 62 | OIL PUMP; Part Number: BB-B40A-1;#Manufacturer: Zhejiang Keer Pump Stock Co.,Ltd | EA | ||
| 63 | Lantern ring; Part Number: DY180-67-0105; Manufacturer: Zhejiang Keer pump stock co ltd | EA | ||
| 64 | key 8X32; Part Number: GB1096-79; Manufacturer: Zhejiang Keer pump stock co ltd | EA | ||
| 65 | Upper half bearing bushing complete set; Part Number: DG140-59-0303+DG140-59-0304; Manufacturer:Zhejiang Keer pump stock co ltd | EA | ||
| 66 | Cover of balancing bushing; Part Number: DG140-59-0009; Manufacturer:Zhejiang Keer pump stock co ltd | EA | ||
| 67 | Sleeve of oil ring; Part Number: DC25-100-0406; Manufacturer:Zhejiang Keer pump stock co ltd | EA | ||
| 68 | Cover of stuffing cooling chamber; Part Number: DY155-67-0014; Manufacturer:Zhejiang Keer pump stock co ltd | EA | ||
| 69 | Stuffing ring; Part Number: B2102-70-80; Manufacturer:Zhejiang Keer pump stock co ltd | EA | ||
| 70 | Gasket 380x345x0.2; Part Number: 380x345x0.2; Manufacturer: Zhejiang Keer pump stock co ltd | EA | ||
| 71 | DiskOnChip 2000 Flash disk, 32 MB; Manufacturer: M-systems | EA | ||
| 72 | Smart Valve Positioner; Model: YT-3400; Manufacturer: Young Tech Co Ltd | EA | ||
| 73 | Solenoid valve, Valve type: 12J71Z2B3-SF19349; Manufacturer: Morrel international | EA | ||
| 74 | RADIATOR FOR CHIDONG ENGINE; Part Number: 237.38.00A; Manufacturer: CHIDONG | EA |
Field Failure Repair Case Studies
Case 1: 12VB Engine Cylinder Liner Leakage
A 12VB series diesel engine experienced coolant leakage and reduced power output due to a damaged cylinder sleeve water seal. Installing the OEM-spec water seal (12VB.01.136) eliminated coolant loss, restored cylinder pressure, and brought the engine back to full rated power for uninterrupted rig operation.
Case 2: DY155 Pump Wear Ring Degradation
A DY155 injection pump suffered significant pressure loss due to worn impeller wear rings. Replacing the degraded wear ring (DY155-67-0108) with an OEM component reduced internal fluid bypass, restored full injection pressure, and extended the service life of the pump’s hydraulic assembly.
Case 3: Engine Ignition Coil Failure
A rig-mounted 12VB engine failed to start due to a faulty ignition coil. Swapping the defective coil with an OEM replacement (127.90.60) restored ignition system performance, allowing quick engine restart and minimizing drilling downtime.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with 12VB/12V diesel engines and DY155/DY180 pumps? | Yes, every part is precision-matched to 12VB series engines and DY155-67/DY180-67X10 pumps, with direct OEM fitment for all listed part numbers. |
| Do these parts meet industrial GB and API standards? | Absolutely, all components comply with relevant GB/T industrial standards and API drilling equipment specifications, matching OEM quality and performance benchmarks. |
| Can these parts be used for Gara-Altyn rig maintenance? | Yes, this parts list includes specific components designed for Gara-Altyn rig engine and pump systems, ensuring full compatibility and reliable performance. |
Procurement Guidance
This 12VB engine and DY155/DY180 pump spare parts list serves as both a formal procurement benchmark and a technical troubleshooting reference, designed to minimize costly equipment downtime, reduce long-term maintenance expenses, and uphold the performance and safety of your drilling and fluid injection systems. Each part is a verified OEM-grade component that eliminates the risks of substandard aftermarket parts, ensures compliance with industrial and OEM standards, and delivers consistent durability under harsh operating conditions.
