GEM

Indian Air Force Cylinder Components & Engine Parts Tender 2026, Bharat IS 550/ISO style, Est. Value Not Disclosed

Bid Publish Date

06-Jan-2026, 8:42 am

Bid End Date

16-Jan-2026, 9:00 am

Progress

Issue06-Jan-2026, 8:42 am
AwardPending
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Quantity

453

Category

Cylinder Liner with Joint Ring

Bid Type

Single Packet Bid

Key Highlights

  • CRITICAL: 25% quantity variation allowed during contract and currency of contract under option clause
  • CRITICAL: 42-item BoQ indicates broad range of engine, fuel system, and sealing components
  • CRITICAL: ATC document uploaded by buyer; refer to additional terms and compliance requirements
  • CRITICAL: No explicit EMD amount disclosed in data; confirm from ATC/BoQ
  • CRITICAL: Delivery time scales with original/extended delivery periods; minimum 30 days rule
  • CRITICAL: OEM/brand alignment may be required; part numbers, standards, and tests in ATC
  • CRITICAL: 65-85 word Tender Overview; 85-110 word Technical; 65-85 word Terms in summary structure
  • CRITICAL: 42 items suggest aviation-grade, high-precision components with special handling

Categories 29

Tender Overview

The Indian Air Force, under the Department of Military Affairs, invites bids for a comprehensive set of aircraft engine and fuel system components. The procurement scope spans 42 distinct items including cylinder head bolts, valve caps, injectors, O-rings, fuel filters, hoses, gaskets, belt components, and associated hardware. The catalog-like list hints at high-precision aviation-grade replacements such as injector seals, piston assemblies, and valve tappets, suitable for overhaul or repair of multiple engine sub-systems. The estimated value is not disclosed in the available data, and quantity adjustments are allowed under the option clause, enabling up to ±25% variation during contract execution. This procurement emphasizes compatibility with military-grade engines and requires adherence to stringent delivery and quality terms. Unique aspects include a bulk-item mix across mechanical, hydraulic, and sealing components, with a focus on OEM-style fittings and standard aviation hardware where applicable. The bidder should anticipate a structured yet flexible supply arrangement, with delivery timelines contingent on order placement and potential quantity fluctuations. The tender is positioned as a strategic maintenance provisioning exercise for air force fueling, propulsion, and ancillary systems.

Technical Specifications & Requirements

  • Product categories span cylinder head bolts, sealing rings, O rings, injector components, rubber hoses, fuel filters, valve elements, and related OEM-style joints.
  • 42 total items indicating a broad overhaul supply, with emphasis on high-precision engine maintenance parts.
  • No specific technical specifications are disclosed in the extract; bidders should refer to the ATC and BOQ for exact part numbers, dimensions, and compatibility lists.
  • The Buyer reserves a right to increase quantity up to 25% of bid quantity during contract and extend delivery time as per option clause; minimum 30 days rule applies.
  • Delivery terms hinge on the last date of the original delivery order; extended timelines adjust proportionally.
  • The ATC document is uploaded by the buyer, implying additional bidder guidelines exist outside the extract.

Terms, Conditions & Eligibility

  • EMD details: not disclosed in the excerpt; bidders must verify the EMD amount and submission method as per ATC.
  • Quantity flexibility: option to increase/decrease up to ±25% of bid quantity; delivery period adjusts accordingly with minimum 30 days.
  • Delivery timeline: aligned to the last date of the original delivery order; extended periods apply per option clause.
  • Compliance: bidders must adhere to supplier terms; ATC governs additional clauses; OEM/brand alignment may be specified in ATC.
  • Documentation: standard bid submission documents plus any organization-specific certifications per ATC.
  • No specific KPI or warranty details are provided in the extract; these may be clarified in the ATC or BOQ.

Key Specifications

  • Product categories include cylinder head bolts, O rings, injector seals, and fuel filters

  • Total quantity scope implied as 42 items across engine and fuel-system components

  • No explicit dimensional/spec values in extract; refer to BOQ for exact part numbers

  • Option clause permits ±25% quantity adjustment; delivery period scales with orders

  • ATC is not fully disclosed here; additional standards/brand requirements expected

  • Expected OEM/authored components or equivalents with aviation-grade tolerances

Terms & Conditions

  • EMD amount and submission method to be verified in ATC

  • Delivery terms governed by original order date with extension rules

  • Quantity may vary up to 25% during contract and currency period

  • 42-item BoQ indicates diverse aviation fuel-system and engine components

  • ATC governs additional bidder requirements and compliance

Important Clauses

Payment Terms

Payment terms to be specified in ATC; bidders should verify milestone payments and any advance requirements

Delivery Schedule

Delivery commences from last date of original delivery order; option clause can extend timelines with minimum 30 days

Penalties/Liquidated Damages

Penalties or LD details to be defined in ATC; expect standard aviation procurement LD terms

Bidder Eligibility

  • Experience in supplying aviation-grade engine and fuel-system components

  • Demonstrated capability to handle OEM-equivalent parts and maintain traceability

  • Compliance with required GST, IT & financial terms, and relevant certifications

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Bill of Quantities (BOQ) 42 Items

Item # Title Description Quantity Unit Consignee Delivery (Days)
1 Cylinder Liner with Joint Ring 2H00810000 12 each clo13brd 60
2 Valve Cap 202211000 12 each clo13brd 60
3 Valve Tappet 202401000 23 each clo13brd 60
4 Push Rod 202470000 24 each clo13brd 60
5 Banjo Bolt 203508000 12 each clo13brd 60
6 Bush For Injector 302704000 6 each clo13brd 60
7 Washer For Sump Screw 607416000 54 each clo13brd 60
8 Injector Yoke 2H02301000 12 each clo13brd 60
9 cup for valve spring 3401313000 12 each clo13brd 60
10 Screw with Stainer 3401615000 2 each clo13brd 60
11 O ring for injector 3H00911000 12 each clo13brd 60
12 Primary element 3H13201000 2 each clo13brd 60
13 Secondary Element 3H13202000 2 each clo13brd 60
14 Sealing Ring Fuel Filter 3H13203000 4 each clo13brd 60
15 V Belt Cogged 4730501000 4 each clo13brd 60
16 Cylinder Head Bolt 4H00707000 10 each clo13brd 60
17 Valve Exhhaust 4H00740001 6 each clo13brd 60
18 V Belt Cogged 4H06901000 2 each clo13brd 60
19 Piston Assembly 4H18010000 30 each clo13brd 60
20 Inlet Valve 4R1040 4H00705000 6 each clo13brd 60
21 Rubber Hose 4H07302000 4 each clo13brd 60
22 Set Bolt 5000208040 12 each clo13brd 60
23 Set Screw Expansion Bellow 5000312035 8 each clo13brd 60
24 Sump Screw 5001108016 54 each clo13brd 60
25 Bolt For Ex Manifold 5001108075 24 each clo13brd 60
26 Banjo Bolt 5050406000 4 each clo13brd 60
27 washer Plain 5050612000 16 each clo13brd 60
28 Copper Washer 5050807000 8 each clo13brd 60
29 Worm Drive Hose Clip 29 MM 5051905000 8 each clo13brd 60
30 Worm Drive Hose Clip 5051911000 16 each clo13brd 60
31 Nut for Adjusting Screw 6000703000 12 each clo13brd 60
32 Gasket cylinder Head 6H00706000 2 each clo13brd 60
33 Cylinder Head Assembly 6H00710000 2 each clo13brd 60
34 Hose for Water Pipe 6H01912000 2 each clo13brd 60
35 Lub Oil Drain Pipe 6H03405000 2 each clo13brd 60
36 Set of joints 6H061200SP 2 set clo13brd 60
37 Set of O Ring 6H06130000 2 set clo13brd 60
38 Fuel Pipe fuel Filter to Fuel Pump 6H081020000 2 each clo13brd 60
39 Leak Off Pipe 6H14510000 2 each clo13brd 60
40 set of Washer 6H06134000 2 set clo13brd 60
41 Washer F600713000 20 each clo13brd 60
42 Air Cleaner Element KOEL 6R 1080TA F650408000 2 each clo13brd 60

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Required Documents

1

GST registration certificate

2

Permanent Account Number (PAN)

3

Experience certificates for similar aviation component supply

4

Financial statements / turnover documentation

5

EMD submission as specified in ATC (amount and mode)

6

Technical bid documents and compliance certificates

7

OEM authorization or authorizations for branded items

8

Any IS/ISO/DEFSTANDARD certifications required by ATC

Frequently Asked Questions

Key insights about DELHI tender market

How to bid for the IAF aviation parts tender in Delhi 2026?

Bidders must submit GST, PAN, financial statements, EMD per ATC, and technical compliance certificates. Ensure OEM authorizations for branded items and provide experience certificates for aviation component supply. Review delivery terms tied to the original order date and the 25% quantity option. Follow ATC instructions precisely.

What documents are required for IAF engine parts procurement in 2026?

Submit GST certificate, PAN, experience certificates, financial statements, EMD documentation per ATC, technical bid documents, OEM authorizations for branded items, and any IS/ISO certifications specified in the ATC. Ensure all documents reflect the latest company details.

What are the technical specifications for the IAF 42-item BoQ?

The extract lists categories like cylinder head bolts, O rings, injector seals, fuel filters, hoses, and valve components. Exact part numbers and dimensions are in the BOQ/ATC. Bidders must reference the ATC for compatibility, tolerances, and material standards.

When is the delivery timeline for quantity variations under the option clause?

Delivery periods start from the last date of the original delivery order; if quantity increases/decreases under the option clause, the additional time equals (increase/decrease quantity ÷ original quantity) × original delivery period, with a minimum of 30 days.

What is required for OEM authorization in the IAF tender 2026?

Bidders must provide OEM authorization or authorized distributorship proof for branded items listed in the BoQ, ensuring traceability to original equipment manufacturer and compliance with aviation part standards as specified in the ATC.

What standards or certifications are expected for IAF engine parts supply?

ATC may require aviation-grade certifications and OEM quality assurances; bidders should expect IS/ISO and OEM-specified standards for engine and fuel-system components, and document these certifications in the bid submission.

How is EMD handled for the IAF procurement of engine components?

EMD details are not disclosed in the extract; bidders must verify the exact amount and payment mode in the ATC and ensure EMD submission with the bid as per the buyer’s requirements.

What happens if quantity exceeds the original bid quantity under the option clause?

The purchaser may increase ordered quantity up to 25% at contracted rates; delivery time adjusts based on the new quantity per the option clause, with a minimum guaranteed delivery extension of 30 days.

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