Rehab Works for Aviation Refuelers at Karachi and Gwadar Aviation Stations

Pakistan State Oil Company Limited (PSO) invites quotations for rehabilitation works required for Aviation Refuelers based at Karachi and Gwadar Aviation Stations. This procurement covers extensive mechanical and machining services along with supply and installation of genuine brand new parts for R-40 and R-41 refuelers. The scope includes complete engine overhauling, dismantling, assessment and replacement of worn-out parts, cleaning, assembling, fuel pump calibration, radiator servicing, starter and alternator servicing, electrical and pneumatic works, and interlocking systems. Items being procured: - Valve Seal (Volvo) 24 EA Karachi - Valve Guide (Volvo) 24 EA Karachi - Injector Sleeve (Volvo) 6 EA Karachi - Valve Seat (Volvo) 24 EA Karachi - Inlet Valve (Volvo) 12 EA Karachi - Sealing Strip (Volvo) 3 EA Karachi - Sealing Ring (Volvo) 5 EA Karachi - Gasket (Volvo) 3 EA Karachi - Ball Bearing (Volvo) 1 EA Karachi - Cover (Volvo) 1 EA Karachi - Crankshaft Seal (Volvo) 1 EA Karachi - Thermostat (Volvo) 1 EA Karachi - Gasket Kit (Volvo) 1 EA Karachi - Connection Pipe (Volvo) 1 EA Karachi - Hose (Volvo) 5 EA Karachi - Camshaft Bearing Kit (Volvo) 7 EA Karachi - Oil Filter (Gearbox) (Volvo) 4 EA Karachi - V-Ribbed Belt (Volvo) 2 EA Karachi - Pressure Hose Engine Oil (Volvo) 1 EA Karachi - Flange Screw (Volvo) 4 EA Karachi - Screw (Volvo) 14 EA Karachi - Sensor (Volvo) 3 EA Karachi - Pressure Sensor (Volvo) 1 EA Karachi - Wiper Blade (Volvo) 2 EA Karachi - Vehicle Speed Sensor (Volvo) 2 EA Karachi - Lamp Body (Volvo) 1 EA Karachi - Lamp (Volvo) 1 EA Karachi - Switch (Volvo) 3 EA Karachi - Key Blank (Volvo) 2 EA Karachi - Release Bearing (Volvo) 1 EA Karachi - Clutch Servo (Volvo) 1 EA Karachi - Clutch Master Cylinder (Volvo) 1 EA Karachi - Bearing Seat (Volvo) 1 EA Karachi - Ball Socket (Volvo) 1 EA Karachi - Bearing Housing (Volvo) 1 EA Karachi - Bushing (Volvo) 4 EA Karachi - Disc Spring (Volvo) 1 EA Karachi - Gear Shift Cable (Volvo) 2 EA Karachi - Bracket (Volvo) 1 EA Karachi - Power Steering Pump (Volvo) 1 EA Karachi - Trim Panel (Volvo) 1 EA Karachi - Switch Panel (Volvo) 2 EA Karachi - Bump Stop (Volvo) 4 EA Karachi - Seat Belt (Volvo) 1 EA Karachi - Lock Kit (Volvo) 1 EA Karachi - Seat Belt Kit (Volvo) 1 EA Karachi - Filter Kit (Air Dryer) (Volvo) 1 EA Karachi - Shock Absorber (Volvo) 4 EA Karachi - Filler Cap (Volvo) 1 EA Karachi - Transmission Oil GL-4 80W90 (Volvo) 20 EA Karachi - Thuban Gear GL5 EP SAE 140 (Volvo) 19 EA Karachi - Brake Fluid (Volvo) 3 EA Karachi - Dipstick (Volvo) 1 EA Gwadar - Panel (Volvo) 1 EA Gwadar - Handle (Volvo) 1 EA Gwadar - Lens (Volvo) 2 EA Gwadar - Position Lamp (Volvo) 2 EA Gwadar - Grommet (Volvo) 3 EA Gwadar - Cover (Volvo) 2 EA Gwadar - Electric Motor (Volvo) 1 EA Gwadar - Switch Panel (Volvo) 1 EA Gwadar - Vehicle Speed Sensor (Volvo) 1 EA Gwadar - Air Spring (Volvo) 1 EA Gwadar - Remote Control (Volvo) 1 EA Gwadar - Jet (Volvo) 1 EA Gwadar - Protecting Casing (VO8143711 Volvo) 2 EA Gwadar - Protecting Casing (VO8143712 Volvo) 2 EA Gwadar - Elbow Nipple (Volvo) 2 EA Gwadar - Hose (Volvo) 1 EA Gwadar - Elbow Nipple (VO8141836) 1 EA Gwadar - Non Return Valve (Volvo) 1 EA Gwadar - Filter (Volvo) 1 EA Gwadar - Vacuum Switch (Volvo) 1 EA Gwadar - Solenoid Valve (Volvo) 1 EA Gwadar - Steering Filter (Volvo) 1 EA Gwadar - Air Filter Outer (Volvo) 1 EA Gwadar - Oil Filter (VO23658092 Volvo) 2 EA Gwadar - Oil Filter (VO21707132 Volvo) 1 EA Gwadar - Fuel Filter (Volvo) 1 EA Gwadar - Water Separator (Volvo) 1 EA Gwadar - Filter (VO21758906 Volvo) 1 EA Gwadar - Headlamp (Volvo) 1 EA Gwadar - Switch (Volvo) 1 EA Gwadar - Symbol Lens (Volvo) 1 EA Gwadar - Radiator Hose (Volvo) 1 EA Gwadar - Hose (VO20740344 Volvo) 1 EA Gwadar - ECU (VO22346791 Volvo) 1 EA Gwadar - Oil Filter Kit Gear Box (Volvo) 1 EA Gwadar - Coolant (Volvo) 40 EA Gwadar The technical scope includes complete engine overhauling, dismantling, assessment of worn-out parts, cleaning, assembling, fuel pump calibration, radiator servicing (internal and external), servicing of starting motor, charging alternator, after cooler, and complete electrical, pneumatic and interlocking works. Machining and mechanical work such as diesel pump service repair kit, radiator service, self-starter and generator service and repair, and machining of required parts are also included. Cabin servicing involves inspection and servicing of vehicle cabin, dashboard components, replacement of seat belts, seat covers, seat foam, brake pads, roof shield, complete servicing of doors, painting, and rexin covering of cabin from inside and denting and painting of cabin from outside. The shifting of Aviation Refuelers from Karachi and Gwadar Aviation Stations to vendor workshop and back will be done through certified crane, banksman, rigger, certified crane operator, and certified low bed trailer. Eligibility criteria require vendors to provide all parts brand new and genuine with 12 months service warranty including parts and labor charges. Vendors must follow all PSO safety and security rules and provide all necessary PPEs such as safety shoes, helmets, and gloves. Earnest money and other bid security requirements are as per PSO instructions. Payment will be made against actual work done and parts used. Worn-out parts must be documented and handed over to PSO representatives. The tender is issued by Pakistan State Oil Company Limited, Karachi. Interested bidders should submit their quotations by 15th September 2026. The submission method is not explicitly stated but typically involves sealed bids or quotations submitted to PSO procurement office. Bidders are advised to carefully review all instructions and ensure compliance with technical and financial requirements. A practical tip for bidders is to ensure timely delivery of all required documents and to maintain clear records of replaced parts for smooth payment processing.