BJ Cementing Unit Spare Parts

 Product Introduction

This comprehensive collection features OEM-equivalent replacement parts for the full BJ Cementing Unit ecosystem, spanning fluid transfer pumps, power transmission assemblies, high-pressure triplex pumps, control instrumentation, sealing kits, and structural hardware. All parts are designed for direct, modification-free installation into standard BJ cementing units, with perfect compatibility for left/right side components, flange connections, and drive interfaces, eliminating custom machining and reducing installation labor time significantly.

 Functional Description

• Fluid Transfer & Mixing: BJ 130168-1 and Goulds 129033-3 pumps handle mix water and slurry circulation, with impellers, shafts, and casings maintaining consistent flow rates for uniform cement mixing.
• High-Pressure Slurry Pumping: Pacemaker 3.5”/4.5” plunger pumps generate pressure up to 5000 PSI for downhole cement placement, with gland packs, plungers, and seal rings ensuring leak-free, stable pressure output.
• Power Transmission: Chelsea Parker 800/270 PTO modules transfer engine power to pumps, with friction discs, clutch plates, and bearings enabling smooth engagement and torque delivery.
• Sealing & Leak Prevention: Garlock oil seals, AS568-series O-rings, and Chevron packing kits block fluid leaks and prevent debris ingress, preserving component lifespan and system integrity.
• Safety & Control: Overpressure valves, Murphy pressure/temperature gauges, and air starter components monitor unit performance and prevent hazardous over-pressurization.

 Structural Features

• Wear-Resistant Materials: Plungers feature hardmetal coating for abrasion resistance; bearings use high-carbon alloy steel to handle radial/thrust loads up to 5000 PSI.
• Precision Machining: Pump shafts, impellers, and valve components have micron-level tolerances (0.001–0.003 inch) for tight fits and minimal friction loss.
• Chemical Compatibility: Seals and O-rings use 90-durometer nitrile rubber and Teflon composites, resistant to cement slurries, hydraulic oil, and wellsite chemicals.
• Modular Design: Pre-assembled seal kits, gasket kits, and clutch repair kits simplify bulk replacement, speeding up on-site repairs.

 Applicable Operating Conditions

These BJ cementing unit parts are engineered for reliable performance in heavy-duty oilfield environments, with key operational parameters:

• Pressure Ratings: Triplex pumps up to 5000 PSI; mix water/circulation pumps up to 150 PSI; hydraulic systems up to 300 PSI
• Temperature Range: -40°F to 250°F ambient operating temperature
• Application Scenarios: Onshore cementing trucks, offshore platform cementing skids, well stimulation operations, and slurry transfer systems
• Fluid Compatibility: Cement slurries, mix water, hydraulic oil, and pneumatic air systems

 Preventive Maintenance Recommendations

1. Scheduled Inspections: Check plunger packing, O-rings, and valve seats every 200 operating hours; inspect PTO clutch components and bearings every 500 hours.
2. Replacement Cycles: Replace plunger packing and wear sleeves every 800 hours; swap bearings, friction discs, and seals every 1500 hours; overhaul triplex fluid ends every 3000 hours.
3. Lubrication Protocols: Lubricate PTO bearings, driveline universal joints, and gearboxes with high-temperature grease every 500 hours; use OEM-approved hydraulic and gear oil.
4. Troubleshooting Tips: Resolve pressure loss by replacing worn plunger seals and check valves; fix clutch slippage with new friction discs; stop leaks by replacing damaged O-rings and gaskets.
5. Inventory Planning: Stock high-wear consumables (packing, seals, O-rings) and critical pump components on-site to minimize emergency repair delays.

We supply the following spare parts:

SR NO	DESCRIPTION	PART NUMBER	REMARKS
1	PUMP ASSY,3″ OILFIELD PUMP	130168-1
2	WASHER LOCK	32256
3	IMPELLER	124498
4	BUSHING THROAT	124497
5	GASKET CASE TO COVER	122972
6	LOCK SCREW	940307-5
7	BJ PUMP GLAND	123402
8	SOLID CASE RING BJ.	124107
9	SET SCREW	939570-61
10	LOCK SCREW	939293-43
11	NUT-HEX LOCK BEARING	309677
12	THRUST BEARING NUT	940395-8
13	SHAFT WEAR SLEEV	123405
14	BEARING LOCK WASHER	940407-8
15	SHAFT PUMP	124466
16	KEY IMPELLER SHAFT	123406
17	WASHER SPACER	123425
18	WASHER IMPELLER	123403
19	BEARING THRUST	X302331
20	BEARING RDL	X302332
21	DEFLECTOR	124100
22	WASHER LOCK	32257
23	O RING	XAS 227-02
24	OIL SEAL GARLOCK	X6277
25	OIL SEAL GARLOCK	X6278
26	GLAND SPLIT	123402
27	GASKET SUCTION FLANGE	123487
28	SUCTION COVER	C123400
29	PUMP CASE	5123440
30	LINER,SUCT GOULD 4JC-14	X304542
31	IMPELLER,GOULD 4JC-14 14″	20087
32	SEAL CAGE TEFLON	X302732
33	PACKING 3/8″	39406
34	GLAND ASSY	20091
35	THRUST BEARING	20099
36	RADIAL BEARING RETAINER	20102
37	SHAFT,GOULD 4JC	20097
38	SLINGER,GOULD	20104
39	SLEEVE,SHAFT GOULD 4JC-14	X304508
40	LOCK NUT	20105
41	RADIAL BEARING	20101
42	OIL SEAL	20103
43	GASKET,GOULD HUB DISC RUBBER	20367
44	LOCK WASHER	20106
45	RING,SEAL  (LARGE O’RING)	20094
46	O-RING,AS568-258 NTRL 90 DURO (SMALL O’RING)	XAS-258-02
47	SCREW,IMPELLER GOULD 316SS	20088
48	WEAR SLEEVE GASKET	20096
49	Pressure gauge assy, for Recirculating pumps	TBA	SLURRY PRESSURE SENDER UNIT P/N 36698, OBSOLETE replaced with Diaphragm type capillary type gauges
50	O RING	XAS-258-01
51	PACKING GARLOCK	X27068
52	OIL SEAL	33286
53	800 PTO MOD 800XMAKP-B4XC	X301525
54	FLANGE,CMPN DANA 3-1-1013-29	X301534
55	FRICTION DISC	X309008
56	CLUTCH PLATE	X309024
57	CLUCH SPRING	X309042
58	O RING	X307412
59	WIGGLER WIRE	X309039
60	PISTON	TBA
61	BLOCK VEE RING	X309023
62	CLUTCH BACKUP CYLINDER	X309009
63	SNAP RING	50610
64	BEARING	X309012
65	ROLLER BEARING	X309013
66	INNER CLUTCH GEAR	X309014
67	OUTPUT SHAFT OIL SEAL	29307
68	COUPLING ASSY OMEGA-50	39005	Straight Bore Hub
69	COUPLING ASSY,SHAFT REXNORD	870505	HUBS W/HSU ELEMENT
70	HUB CITY GEAR DRIVE. REPAIR KIT RIGHT ANGLE DRIVE.	855958
71	UNIVERSAL BEARING 1810 SERIES SPICER	MDX001027	PSM DRIVE SHAFT
72	UNIVERSAL BEARING 1410 SERIES SPICER	865162	MORRIS & MIX WATER PTO
73	DRIVELINE ASSY,SPICER 1410 X	43493-1	BJ PUMP DRIVE LINE (19.625 LG MID SLIP)
74	270 PTO MOD270XAAKP-B6XD	X301502
75	FLANGE,CMPN SPICER SERIES 1410	43929
76	Adapter Assembly (PLATE, ADAPTER 8-6 BOLT CHELSEA	X300555
77	BEARING NEEDLE THRUST	X307406
78	BEARING NEEDLE THRUST	X307407
79	SNAP RING	50611
80	BALL BEARING	X309012
81	ROLLER BEARING	X309013
82	CLUTCH SPRING	X309042
83	FRICTION DISC	X309008
84	CLUTCH PLATE	X309024
85	O-RING	853619
86	BLOCK VEE RING	X309023
87	SNAP RING	50610
88	OIL SEAL	X309031
89	GASKET	29305BJ
90	OIL SEAL	X309035
91	RETAINER RING	X309021
92	GASKET KIT & SEAL	61563
93	PUMP,PISTON	LX301944
94	AIR REGULATOR LUBRICATOR & SEPERATOR ASSY 1/2″	864663
95	RESERVIOR TANK CAP WITH STAIRNER	102517
96	Knife Gate Hydraulic Cylinder Seal kit	62179
97	Assy, Mixind Body	129102
98	Slurry Jet	129097
99	Assy, Slurry Jet	121903
100	Gasket, 2×4″ Side entry style 72	X302807
101	OVER PRESSURE VALVE	38770
102	AIR CYLINDER	47921
103	REDRESS KIT AIR STARTER 180438	X307215
104	STARTER RELAY SRV-125	X6188
105	DUST CAP (DEFLECTOR,SPLASH STARTER IR	X19515
106	GAUGE,PRESSURE0-150PSI,30PSI, FALLING, MURPHY	As per description
107	GAUGETEMPERATURE130-220,160F, RISING, MURPHY	As per description
108	GAUGE,PRESSURE0-150 PSI1/4BOTTOMLF, 2-1/2DIAL	As per description
109	GAUGE,TEMPERATURE140-300F,275F, RISING, MURPHY	As per description
110	GAUGE,PRESSURE0-300PSI,130PSI, RISING, MURPHY	As per description
111	GAUGE,PRESSURE0-300PSI,55PSI, FALLING	As per description
112	GAUGE,TEMPERATURE130-250F,SR210F, 2-7/16″PROBE	As per description
113	GAUGE,PRESSURE0-300 PSI1/4BOTTOMLF, 2-1/2DIAL	As per description
114	GAUGE,PRESSURE0-5000 PSI1/4BOTTOMLF, 2-1/2DIAL	As per description
115	RPM Gauge Dynalco, MTH 103D	As per description
116	LUBRICAOR AIR	X301945
117	Rexroth Air Valves	X17179
118	LUBRICATOR AIR	X19818
119	VALVE,D/C VERSA VSP-3301-S-155	51998
120	VALVE,PNEU CLIPPARD TV-4DMP	51088X
121	Engine throttle Control (MORSE, Top Mount / Single Lever)	As per description
122	PMP,GLAND PKG 4.5″ CHEVRON	129510
123	PMP,PLUNGER 4.5″ HARDMETAL COATED	112882
124	PMP,PLUNGER ROD 3.5-5.0″ F/E	112528
125	PMP,PLUNGER CAP 4.50″	112527
126	COVER  ASSY. CROSS HEAD SEAL	112588
127	PMP,RING SEAL 4.5 SLC CS	120420
128	SPACER RING, 4,5″ PMP	13654105
129	PMP,RING BACK 4.5″ SLC	120298
130	GASKET, COVER CROSSHEAD SEAL	112595
131	PMP,BKUP RING 6.250 X 5.915 TFLN	120531-45
132	PMP,BKUP RING 5.500 X 5.283 TFLN	120531-46
133	O-RING,AS568-343 NTRL 90 DURO	XAS 343 03
134	O-RING,AS568-360 NTRL 90 DURO	XAS 360 02
135	O-RING,AS568-252 NTRL 90 DURO	XAS 252 02
136	WASHER,LOCK 3/4″ INT STAR	939657-12
137	NUT,HEX 0.750-10NC S CAD G8″	939207-7
138	PLUG,PIPE SOC HD 0.250 NPT FS	31564
139	ELBOW, 90 04MS-04FP BRASS	118318
140	SEAL, ROD 4,5″ PRKR	12949505
141	VALVE,CHECK ASSY W/CAP W/O FLTR&STRAINER	X304374
142	SEAL,OIL NATIONAL 416154	118461
143	SEAL, PRESS RG 4,5″ (HARD)	13654905
144	HEADER RING, 4,5 X 5,5″ P	13654805
145	SEAL, PRES RNG 4,5 X 5,5″ (SOFT)	13655005
146	PMP,GLAND PKG 3.5″ CHEVRON	129508
147	PMP,PLUNGER 3.5″ HARDMETAL COATED	118178
148	COVER  ASSY. CROSS HEAD SEAL	120002
149	PMP,SUCTION COVER CASTING	112505-1	Worn out, leaking from threads
150	PMP,DISCHARGE COVER STANDARD	112519	Worn out, head mushroomed
151	PMP,SEAL RING 3.5″ SFE F/PUMP	128692
152	RING, SPACER 3.50″ PL PKG	13654103
153	PMP,RING BACK 3.5″ SLC PACK	120251
154	GASKET, COVER CROSSHEAD SEAL	112595
155	PMP,BKUP RING 5.688 X 5.353 TFLN	120531-55
156	PMP,BKUP RING 5.500 X 5.283 TFLN	120531-46
157	O-RING,AS568-356 NTRL 90 DURO	XAS 356 02
158	O-RING,AS568-252 NTRL 90 DURO	XAS 252 02
159	WASHER,LOCK 3/4″ INT STAR	939657-12
160	STUD,0.750NC X 4.00	118376
161	NUT,HEX 0.750-10NC S CAD G8″	939207-7
162	PLUG,PIPE SOC HD 0.250 NPT FS	31564
163	SEAL,ROD 3.50 PRKR 25003500-37″	12949503
164	SEAL,OIL NATIONAL 415437	118469
165	SEAL,PRES RG 3.50 X 4.50 3KPSI (HARD)	13654903
166	RING,HEADER 3.500 X 4.500 PL P	13654803
167	PACKING ASSY,PLUNGER PMP 3.50 UTEX (SOFT)	43044
168	RING, BACK UP 8-226 PARKER PARBAK	21740
169	O-RING, 568-226-02 P/BJ SPEC 128119	XAS-226-02
170	VALVE ASSY,DISCH PACEMAKER PMP	36627BJ
171	PMP,DISCHARGE VALVE SEAT MISSION	40496
172	PMP,DISCHARGE VALVE HF-4-V1	40497
173	PMP,SPRING DISCH VALVE 300SRS YELLOW	112818
174	O-RING,AS568-240 NTRL 70 DURO	XAS 240 01
175	PMP,INSERT VALVE DISCH HF-4-I RED Acid	36629BJ
176	PMP,SUCTION VLV ASSY FOR CMT 60# SPRING	36585BJ-1
177	PMP,SUCTION VLV W/INSERT HF-5-	40111
178	PMP,SUCTION VLV SEAT HF-5-S4 W/R	40110
179	PMP,GUIDE SUCT VALVE CSS SFE 350 SRS	120145
180	PMP,VALVE STEM GUIDE ASSY 300/375 SERIES	115376
181	PMP,SPRING SUCTION VALVE	112856
182	PMP,RETAINER SPRING SUCT VALVE	115823
183	NUT,HEX LOCK 0.500-20NF S CLF1 220GRA	118499
184	GASKET	118410
185	GASKET, OIL PAN	112854
186	SEAL,OIL GARLOCK 53 x 2798 OUT PUT SHAFT	118331
187	QUAD RING	118339
188	SEAL OIL	118451
189	CROSS HEAD GASKET	112595
190	SEAL OIL	118459
191	HEAD, FILTER HYD DONALDSON, For Filter P165659	862487
192	Pneumatic actuator, Grinell #GDA-20-CNI (6” thru 8” valve)	64202
193	2″ Ball Valves, Jamesburry	X-8667
194	Load Cell, 8.5 10,000 lbs (Surge Tank)	MD Totco NOV Martin Decker
195	SWVL ASSY/STL 50 FXM/INT/2 LR/PCMKR	1128012

Field Fault Repair Cases

Case 1: Pacemaker 4.5″ Plunger Pump Pressure Loss

A BJ cementing unit’s 4.5″ plunger pump lost pressure mid-job, caused by worn Chevron gland packing (P/N 129510) and damaged rod seals (P/N 12949505). The worn seals allowed slurry bypass, dropping operating pressure by 35%. Replacing the gland pack, rod seals, and corresponding O-rings (XAS 343 03, XAS 360 02) restored full 5000 PSI pressure, allowing the cementing job to resume quickly.

Case 2: BJ Mix Water Pump Shaft Vibration & Leakage

The BJ 3×4×10-3/4″ mix water pump (P/N 130168-1) developed severe vibration and oil leaks, traced to a worn shaft wear sleeve (P/N 123405) and faulty thrust bearing (X302331). The damaged components caused shaft misalignment and seal failure. Installing a new wear sleeve, thrust bearing, and Garlock oil seal (X6277) eliminated vibration and stopped leaks.

Case 3: Chelsea 800 PTO Clutch Slippage

The 800XMAKP-B4XC PTO module experienced clutch slippage, failing to transfer power to the mix water pump. The issue stemmed from worn friction discs (X309008) and clutch plates (X309024) from prolonged heavy use. Replacing all friction components, clutch springs, and bearings restored full power engagement and torque delivery.

Frequently Asked Questions (FAQ)

Question	Answer
Are these parts compatible with both 3.5″ and 4.5″ Pacemaker plunger pumps?	Yes, this catalog includes dedicated parts for both sizes: 3.5″ gland packs (P/N 129508) and 4.5″ gland packs (P/N 129510), plus matched seals, spacers, and backup rings for each plunger size.
What is the pressure rating for the Pacemaker triplex pump components?	The Pacemaker pump parts are rated for a maximum continuous operating pressure of 5000 PSI, meeting API 11AX standards for high-pressure cementing operations.
Do these parts fit both BJ and Goulds pump assemblies on the cementing unit?	Yes, the catalog separates parts for the BJ 130168-1 mix water pump and Goulds 129033-3 circulation pump, with OEM-specific components for each pump model to ensure perfect fit.

 Procurement Guidance & Call to Action

For oilfield cementing operations prioritizing equipment reliability, job uptime, and compliance with API standards, these BJ Cementing Unit spare parts are the definitive procurement choice. Each component undergoes strict quality testing to match OEM specifications, eliminating the risks of subpar aftermarket parts that cause costly downtime and job failures.

Use this catalog as your single trusted reference for accurate part selection, whether stocking routine maintenance inventory, sourcing emergency repair parts, or completing full system overhauls. By choosing these precision-engineered BJ cementing unit parts, you secure durable, performance-matched components that protect your equipment investment, maintain consistent cementing performance, and uphold strict wellsite safety standards. Secure the exact 130168-1, 129033-3, and Pacemaker pump parts your BJ cementing unit needs to keep operations running smoothly and efficiently.