Supply of Liner Cylinders for Detroit Diesel Units

Pakistan International Airlines (PIA), headquartered at Karachi Airport, is procuring 12 liner cylinders specifically for Detroit Diesel units. This procurement is managed by the Supply Chain Management Department at PIA's Head Office in Karachi. The tender calls for suppliers to submit sealed bids under a Single Stage Two Envelope Basis, ensuring both technical and financial proposals are properly segregated and sealed. The technical scope includes supplying fresh stock liner cylinders with a minimum expiry of one year and warranty or guarantee as per manufacturer standards. Bidders must provide technical literature, samples if applicable, company profile, certifications, and authorization letters. The tender fee is PKR 25,000 and an earnest money deposit of PKR 30,000 in the form of a pay order is mandatory for local bidders. Foreign bidders are exempt from these fees. The delivery terms are CFR Karachi with payment on Net Thirty Days basis. Eligibility requires valid PEC registration if applicable, FBR registration with NTN and GST numbers, and annual tax filing proof. Experience in supplying similar automotive parts and compliance with all mandatory requirements is essential. Bidders must submit their bids electronically via PPRA E-PADS and also provide a hard copy with original bid security before the deadline. The submission deadline is **29-04-2026 at 10:30 AM**, with bid opening at 11:00 AM the same day at the SCM Department Building, PIA Head Office Karachi. Bids must be dropped in the designated tender box or sent via registered mail ensuring timely receipt. Late submissions will not be entertained. A practical tip for bidders: ensure your technical and financial proposals are sealed separately and clearly labeled with the tender reference number and supplier name. This prevents disqualification due to procedural errors. Also, double-check that your earnest money and tender fee pay orders are correctly prepared and submitted with the technical proposal to avoid rejection.