American Oil Tools sales OEM style aftermarket Blowout Preventer parts, Blowout Preventer replacement parts and Blowout Preventer spares are of the highest quality. All of our Blowout Preventer spares and Blowout Preventer replacement parts are "made in the USA". Our BOP spares are competitively priced, offer exceptional quality and durability. B.O.P. manufactures include; Cooper Cameron, Hydril and Shaffer LWS BOP.


 Blowout Preventers Replacement Parts List

Please click on the links below to view our "Blow out Preventers Replacement Parts List"


Cameron Type "F" Cup Tester  
Cameron Ram Type "U" BOP 7- 1/16”
Cameron Ram Type "U" BOP 11”
Cameron Ram Type "U" BOP 16 3/4”
Hydril Annular Blowout Preventer Type GK
Hydril Annular Blowout Preventer Type MSP
  Blowout Preventers Spares

BOP Control Systems

• Choke Panels
• Closing Unit
• Brake
• Hammer Unions
• Manifolds
• Mud Pumps

• Pipe Rack
• Remote
• Control Panel
• Sand Line
• Spare Parts
• Swivel Joints
• Wireline Units

BOP Stack Spares

• Annular BOP
• BOP Control Hoses
• Casing Head Housing
• Casing Head Spool
• Check Valve
• Diverters
• Double Ram BOP
• Drilling Spool
• Flanges
• Hydraulic Gate Valve

• Kill Lines
• Manual Gate Valve
• Packing Elements
• RAM Assemblies
• RAM Rubbers
• Ring Gaskets
• Rotating BOP
• Single Ram  BOP
• Spherical BOP
• Type U

Choke Manifold

• Choke Control Console
• Drilling Choke
• Gate Valves
• Hydraulic Gate Valve

• Manual Gate Valve
• Pressure Gauge
• Standpipe Pressure Gauges
• Transmitters

Pressure Gauges

• Degasser
• Mud Tanks

• Mud Valves

Blowout Preventers
(Cooper Cameron  Hydril  Shaffer LWS BOP)

  • B.O.P. spares, B.O.P. spare parts, original OEM BOP parts, for Shaffer LWS, Cameron, Hydril RAM and Annular BOP’s.
  • Ram shaft and locking shaft seal assemblies, ram shafts, locking shafts, pistons, locking segments, door seals, cylinders and hinge bracket assemblies.
  • Ram holders, ram blocks, retracting screws and most ram rubbers.
  • 13-5/8”-10,000 PSI WP upper and lower type 72 shear ram rubbers and assemblies.
  • Supplier of patented door seals for the 13-5/8”-10,000 PSI WP, 11”-15,000 PSI WP, 16-3/4”-10,000 PSI WP, 18-3/4”-10,000 PSI WP, 21-1/4”-5,000 PSI WP
  • Bonnet seals for Cameron Ram BOP's and Hydril Style Ram BOP’s.
  • Repair kits for Shaffer type ram BOP (blowout preventers).
  • Shaffer type 4-1/16”-10,000 PSI snubbing ram blocks and snubbing inserts.
  • Complete 4-1/16” 10,000 PSI WP annular BOP with patented sealing element.
  • Hinged bracket assemblies and other related parts.


Shaffer Type Rotating BOP

  • Replacement parts for the type 79 rotating BOP (blowout preventer).


Shaffer Type Sealing Elements

  • Sealing elements and seal kits with wear band for Shaffer Type annular BOP, pistons, adapter rings, and other major parts


Drilling Choke & Kill Valves

  • Shaffer Type valve replacement parts, including: gates and seal assemblies, pistons, cylinders, complete seal kits, stems, bushings, and all standard valve parts for H2S and standard service.


Motion Compensation Products

  • Complete riser tensioners, including: 16K guideline tensioners, 80K, 100K, and 125K riser tensioners.

  • Replacement parts for the Shaffer type drill string compensators, riser, and guideline tensioners.

  • Packing - Packing seals, bearings, repair kits, hoses, fittings, sight gauges, rod and piston bearings, bolting, ball valves, piston rods, and complete cylinder assemblies.


Hydril Type Ram BOP & Hydril Annular BOP

  • Replacement parts. Including: complete repair kits for the RAM BOP 11”-5M, 13”-5M, and 13”-10M RAM BOPs.

  • 11”-5M and 13-5/8”-10M type 91 door seals which have annealed square wire anti-extrusion rings built into the seals.

  • Bonnet seal kits, hinge seal kits, lock, mechanical (ram shaft) cylinders and various machined and/or molded parts.

  • 11”-3/5M long life, Easy Out front packers and top seals.

BOP Control Systems

  • Varco - Shaffer
  • Koomey
  • ABB Offshore


This above represents an overview of the blowout preventer parts and blowout preventer spare parts or blowout preventer replacement parts that we offer.  Please contact us if you do not see the BOP Stack replacement parts / BOP Stack listed for your Cameron Blowout Preventer / Cameron BOP / Cameron Annular BOP / Double Ram BOP, Hydril Blowout Preventer / Hydril BOP / Hydril RAM BOP / Hydril Annular BOP, or Shaffer Blowout Preventer / Shaffer BOP / Shaffer Annular BOP. 


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American Oil Tools, Inc. is not an authorized agent or sales representative of the manufactures listed on this page.  Cameron Brewster, Continental Emsco, Ellis Williams, Gaso, Gardner Denver,  Liners, Pistons, Ideco, National, Oilwell, OPI, Skytop, Wheatley, and Wilson are registered trademarks of their respective companies.

American Oil Tools is an oilfield equipment supplier for valves, mud pump spares, blowout preventer parts, drilling equipment, downhole tools, blowout preventer spares and mud pump consumables.