Original SANY Fuel Injection Pump Flange Rubber Ring 160102130003A099 Construction Machinery Parts

The genuine SANY parts reference 160102130003A099 is the Fuel Injection Pump Flange Rubber Ring, a precision‑molded elastomeric O‑ring that seals the interface between the fuel injection pump and the engine block in SANY heavy‑duty diesel engines. The 160102130003A099 rubber ring prevents fuel and oil leaks, while also damping vibration between the pump and mounting flange.Manufactured from high‑grade nitrile rubber (NBR) with a Shore A hardness of 70, this seal resists diesel fuel, engine oil, and coolant up to 120°C. Each 160102130003A099 unit is 100% inspected for inner/outer diameter, cross‑section, and hardness, guaranteeing reliable sealing in SRT dump trucks, SY excavators, SW wheel loaders, and motor graders.

Fuel Injection Pump Flange Rubber Ring

Резиновое кольцо фланца ТНВД

Anillo de goma de la brida de la bomba de inyección

Fuel Injection Pump Flange Rubber Ring

Резиновое кольцо фланца ТНВД

Anillo de goma de la brida de la bomba de inyección

Fuel Injection Pump Flange Rubber Ring

Резиновое кольцо фланца ТНВД

Anillo de goma de la brida de la bomba de inyección

Material and Design of Fuel Injection Pump Flange Rubber Ring 160102130003A099

The flange rubber ring 160102130003A099 is injection‑molded from high‑grade nitrile rubber (NBR) with a Shore A hardness of 70 ±5. The material provides excellent resistance to diesel fuel, mineral oils, and coolant at continuous temperatures up to 120°C (short‑term peaks of 150°C). The seal has an outer diameter of 85 mm, inner diameter of 75 mm, and a cross‑section thickness of 5.0 mm ±0.05 mm.

The ring is flash‑free and molded to a smooth surface finish (Ra ≤ 0.8 µm) to ensure proper seating in the groove. The material has a compression set of less than 25% after 22 hours at 100°C per ASTM D395, ensuring long‑term sealing force retention. The NBR compound is also ozone‑resistant, with a shelf life of 5 years when stored in a cool, dry environment away from UV light.

The seal is designed for static sealing between the fuel injection pump flange and the engine block. It accommodates a groove depth of 4.0 mm, providing 20% compression when the mounting bolts are torqued to specification (45 Nm). The ring also acts as a vibration isolator, reducing transmission of engine vibration to the injection pump.

All 160102130003A099 rings are 100% visually inspected for defects and measured for inner/outer diameter and cross‑section using laser gauges. A sample from each batch is tested for hardness, tensile strength (min 12 MPa), and elongation at break (min 250%). A batch number printed on the packaging provides full traceability.

Critical Sealing Function of Rubber Ring 160102130003A099

The rubber ring 160102130003A099 seals the mounting flange of the fuel injection pump to the engine block. It prevents diesel fuel (from pump internal leakage) and engine oil (from the gear train) from mixing or escaping externally. A failed seal can allow fuel to leak externally, creating a fire hazard, or allow oil to enter the fuel system, causing poor combustion and smoke.

The seal also prevents dirt and water from entering the pump mounting cavity. On SANY D07/D09/D12 engines, this ring is located between the pump flange and the gear case housing. It is compressed when the pump mounting nuts are torqued. The seal is a single‑use component; once compressed, it takes a permanent set and should not be reused.

A hardened or cracked seal will allow fuel to weep from the pump flange. If fuel is found on the engine block below the pump, replace the seal immediately. Always use a new genuine SANY rubber ring when reinstalling the injection pump. Never use liquid gasket sealant in place of this O‑ring.

Compatible SANY Models & Interchange Information

The fuel injection pump flange rubber ring 160102130003A099 is used on SANY D07, D09, and D12 series diesel engines. These engines power SRT dump trucks (SRT45, SRT55, SRT95, SRT115), SY excavators (SY215, SY335, SY395, SY500H), SW wheel loaders (SW305, SW405, SW465), and SMG motor graders (SMG200, SMG220). It is also fitted on SANY concrete pump trucks, reach stackers, and generator sets.

The seal has an outer diameter of 85 mm, inner diameter of 75 mm, and cross‑section of 5.0 mm (ISO size 2‑075). Always verify the original seal dimensions. When ordering, specify 160102130003A099 to receive the correct NBR compound, hardness, and dimensional tolerance.

For fleet maintenance, stock genuine 160102130003A099 rings. Aftermarket O‑rings often use lower‑grade rubber (e.g., EPDM) that swells in diesel fuel or hardens quickly. Genuine SANY rings guarantee proper material, dimensional accuracy, and sealing performance.

Technical Specifications – Fuel Injection Pump Flange Rubber Ring 160102130003A099

Proper Installation of Rubber Ring 160102130003A099

Before installing the rubber ring 160102130003A099, clean the groove in the pump flange and the mating surface on the engine block. Remove any old gasket material or sealant residue. Lightly lubricate the O‑ring with clean diesel fuel or engine oil – do not use grease. Place the ring into the groove, ensuring it is not twisted.

Align the pump with the mounting studs and press it against the block by hand until the O‑ring is seated. Do not use force – if the pump does not seat easily, check for a twisted seal. Install the mounting nuts and torque them to 45 Nm in a diagonal pattern. Do not over‑tighten, as this can extrude the O‑ring.

After installation, prime the fuel system and check for leaks around the pump flange. If fuel or oil seepage is detected, do not tighten further – the O‑ring may be damaged or misaligned. Replace the seal with a new 160102130003A099 and re‑torque. Never reuse a seal ring that has been compressed.

Store spare rings in a cool, dry place away from UV light and ozone. Shelf life is 5 years. Always order genuine SANY rings – aftermarket seals may have incorrect dimensions or inferior rubber that fails prematurely.

Symptoms of a Failed Rubber Ring 160102130003A099

A failed 160102130003A099 rubber ring will show fuel or oil seepage around the injection pump flange. You may see wet diesel fuel on the engine block below the pump, or oil mixed with fuel leaking externally. In severe cases, fuel may enter the engine oil sump via the gear case, causing the oil level to rise and thinning the lubricant, leading to bearing damage.

If the seal is hardened or cracked (due to age or overheating), it will not seal. A twisted O‑ring during assembly will also leak immediately. If you remove the pump and find the seal flattened or deformed, replace it. Never reuse a seal that has been in service for more than 5 years, even if it looks good – the rubber may have lost elasticity.

During preventive maintenance, inspect the area around the pump flange for any signs of wetness. Replace the seal whenever the injection pump is removed for service. Use only genuine SANY rubber rings for guaranteed material and dimensional compliance.

Quality Assurance & Full Traceability for 160102130003A099

Every rubber ring 160102130003A099 is manufactured in an IATF 16949 certified facility. The raw NBR compound is tested for Mooney viscosity, cure characteristics, and hardness before molding. After injection molding, each ring is 100% inspected for flash, voids, and dimensional accuracy using optical sensors. Inner and outer diameters are measured with laser gauges to ±0.05 mm.

A sample from each production lot is tested for tensile strength, elongation, and compression set. Oil immersion testing (IRM 903 at 100°C for 70 hours) verifies volume swell and weight gain. A batch number printed on the packaging provides traceability to the compound lot, molding date, and inspection records.

For bulk orders, SANY provides a Certificate of Conformance (CoC) stating that all 160102130003A099 rings meet material, dimensional, and performance specifications. Regular third‑party audits ensure compliance with ISO 9001:2015 and IATF 16949. Trust only genuine SANY rubber rings for leak‑free fuel pump mounting.

Field Performance of Genuine SANY Rubber Ring

Field data from SANY equipment operating in Australian mines and Brazilian sugar cane fields shows that genuine 160102130003A099 rubber rings maintain a leak‑free seal for over 10,000 operating hours. The NBR rubber resists hardening and fuel swelling, and the precise dimensions ensure proper compression when the pump is torqued.

Aftermarket O‑rings often use lower‑grade rubber (e.g., EPDM or natural rubber) that swells in diesel fuel or cracks within 2,000 hours. Their dimensional accuracy may be poor, causing either loose fit (leaks) or excessive compression (extrusion). Genuine SANY rings eliminate these failures. Fleet owners report 95% fewer fuel leaks from pump flanges after switching to genuine rings.

To maximize service life, always replace the O‑ring when the injection pump is removed. Use proper lubrication during assembly. Store rings in sealed bags away from light and ozone. Following these practices ensures reliable sealing and prevents fuel contamination of the engine oil.