Indian Air Force Long Block 4G11TA Engine & Seals Tender South West Delhi 2026

Tender Overview

The Indian Air Force, Department of Military Affairs, invites bids for a procurement package listing 13 distinct items under the LONG BLOCK 4G11TA ENGINE, including LIQUID GASKET, LUB OIL FILTER ELEMENT, PRE FUEL FILTER ELEMENT, SET OF HOSES, SEALING RING, THERMOSTAT ELEMENT, GASKET AIR INTAKE MANIFOLD, GASKET WATER MANIFOLD, GASKET EX MANIFOLD, GASKET TC OIL SUPPLY, GASKET TC OIL DRAIN, and GASKET FOR TURBO OUT AND EXHAUST. The procurement is targeted at suppliers capable of delivering multiple engine-related components from SOUTH WEST DELHI, DELHI. The tender document emphasizes quantity variability up to +25% and deployment timing tied to the last delivery order date, with minimum 30 days extension in the event of quantity increases. The estimated value and EMD are not publicly disclosed, and the BOQ items are listed as 13 line items with unspecified quantities. A unique feature is the option clause allowing the buyer to adjust quantities during contract and currency periods. This tender requires precise compliance with the option-based delivery model and robust capability to supply aerospace-grade seals and gaskets.

Technical Specifications & Requirements

• 13 line items labeled under LONG BLOCK 4G11TA ENGINE and related sealing/ gasket components
• Product categories include: LIQUID GASKET, LUB OIL FILTER ELEMENT, PRE FUEL FILTER ELEMENT, SET OF HOSES, SEALING RING, THERMOSTAT ELEMENT, multiple GASKETS (AIR INTAKE MANIFOLD, WATER MANIFOLD, EX MANIFOLD, TC OIL SUPPLY/DRAIN), GASKET FOR TURBO OUT EXHAUST
• No explicit technical standards provided in the summary; vendor must align to OEM/Air Force approval processes
• Delivery terms allow a 25% quantity increase during contract and currency period with delivery time calculated by (Increased quantity ÷ Original quantity) × Original delivery period, minimum 30 days
• Delivery period starts from the last date of the original delivery order; extended time rules apply if option clause is exercised
• BOQ lists 13 items but exact quantities/units are not disclosed
• No specific warranty, testing, or certification details stated in the available data
• No start/end dates or location-specific installation requirements beyond South West Delhi
• Emphasizes compliance with the option-based delivery model and timely fulfillment of specified lots

Terms, Conditions & Eligibility

• EMD amount and exact payment terms are not disclosed in the provided data; bidders should anticipate standard EMD practices and ensure readiness
• Delivery schedule is governed by the option clause, with potential 25% quantity variation and a calculated delivery extension formula
• Eligibility requires capability to supply aerospace-grade gasket and sealing components for engine blocks and manifolds, with adherence to OEM specifications
• Documentation and submission requirements are not detailed here; bidders should prepare common tender documents including GST, PAN, and OEM authorizations per typical defense tenders
• Bidder must comply with the delivery extension mechanism and ensure performance during extended periods
• The terms require bidders to align with the buyer's delivery calculations and to adjust schedules accordingly during contract execution