OILWELL A-850-PT

DZLA sales high quality OEM style aftermarket mud pump parts for the OILWELL A-850-PT Triplex Mud Pump.
We will provide you with the best quality and the best price.
Below is a listing of the OILWELL A-850-PT parts thatwe offer.

OILWELL A-850-PT

 MUD PUMP EXPENDABLES

7-1/2”× 9                                                                     A-850-PT

OILWELL A-850-PT	PART NO.	PART NO.		PART NO.
Liners & Liner Packing			Gaskets
SIZES	LINER	LINER PACKING	Valve Cover Gasket	LAG-0760
4”	LA-0289-40	LAG-0753	Cylinder Head Gasket	N/A
4”	LA-0289-44	LAG-0754
5”	LA-0289-50	LAG-0742
5”	LA-0289-54	LAG-0743
6”	LA-0289-60	LAG-0745
6”	LA-0289-62	LAG-0770
6”	LA-0289-64	LAG-0746
6”	LA-0289-66	LAG-0755
7”	LA-0289-70	LAG-0756
7”	LA-0289-72	LAG-0757
7”	LA-0289-74	LAG-0758
*Also available in small OD LA-0285-XX

SERIES	LA-4 WEB	LA-FULL OPEN	LA-G2	LA-3 WEB	LA-ROUGHNECK
VALVE (Urethane Insert)	LA-U5C-EEF	LA-7FO-V1	LA-1560985	LA-202PZL482A	LA-RN7-V1
VALVE (Rubber Insert)	LA-5C-EEF	N/A	N/A	LA-202PZL483A	N/A
VALVE SEAT	LA-7DD-B1	LA-7FO-S1	LA-1561370	LA-202PZL039	LA-RN7-S1
VALVE SPRING	LA-5710-110	LA-5710-115L	LA-1560702	LA-5710-110	LA-5710-110L
VALVE INSERT (Red Thunder)	LA-UDD-7BHT	N/A	N/A	N/A	N/A
VALVE INSERT (Urethane)	LA-UDD-7B	LA-7FO-SI	LA-1560557	LA-201PZL106	LA-RN7-I
VALVE INSERT (Rubber)	LA-DD-7B	N/A	N/A	LA-202PZL106	N/A
VALVE SEAT PULLER HEAD	LA-1700-7	LA-1700-7FO	LA-1700-7G2	LA-1700-7R	LA-1700-7FO

Piston Size	Bonded Pistons	Imperial Piston	Imperial Rubber Kits	Rubber Bonded	Long Life (Urethane) LL
4”	LA-RT-400	LA-I40HK14/15	LA-I40HK	LA-RB-400	LA-LL-400
4”	LA-RT-440	LA-I44HK14/15	LA-I44HK	LA-RB-440	LA-LL-440
5”	LA-RT-500	LA-I50HB14/15	LA-I50HB	LA-RB-500	LA-LL-500
5”	LA-RT-540	LA-I54HB14/15	LA-I54HB	LA-RB-540	LA-LL-540
6”	LA-RT-600	LA-I60HB14/15	LA-I60HB	LA-RB-600	LA-LL-600
6”	LA-RT-640	LA-I64HL14/15	LA-I64HL	LA-RB-640	LA-LL-640
7”	LA-RT-700	LA-I70HL14/15	LA-I70HL	LA-RB-700	LA-LL-700
7”	N/A	LA-I74HL14/15	LA-I74HL	N/A	N/A
*1/4 Size are available upon request1/4

RODS
PISTON ROD	LA-0283-C
SUB ROD	LA-0283-A
CONNECTING STUD	LA-0283-D
EXTENSION ROD	LA-16-0284
ROD CLAMP	LA-24-0284
PISTON ROD NUT	LA-7403364

OILWELL A-850-PT

FLUID END MODULE AND ACCESSORIES

Item	Part No.	Description	Qty per Pump
1	LA-10-300-181	Discharge Module, Studded (Included Items 2 – 6)26	3
2		Discharge Module, Only	3
3	LA-49-001-292	Stud – Discharge Manifold	12
4	LA-75-511-754	Nut – Discharge Manifold	12
5	LA-49-002-837	Stud – Frame	12
6	LA-75-510-126	Nut – Frame	12
7	LA-10-300-184	1Wear Plate – Liner	6
8	LA-20-100-008	Gasket – Liner Wear Plate	6
9	LA-75-632-234	Cap Screw, Self Locking	24
10	LA-20-200-004	Valve Guide Bushing	6
11	LA-10-300-004	Valve Guide	6
12	LA-10-300-011	Gasket – Valve Cover	6
13	LA-10-300-005	Valve Cover	6
14	LA-10-300-183	Liner Adapter	3
15	LA-10-303-092	Nut – Liner Adapter	3
16	LA-10-300-185	Spacer Ring – Liner	3
17	LA-10-303-091	2 Centering Sleeve – Liner	3
18	LA-10-300-201	Seal – Suction Manifold	3
19	LA-99-609-345	Seal – Discharge Manifold	3
1Offered in Plain Carbon or Stainless Steel 2Not used with 6″ and larger diameter liners. 1;26 1/2