SPARKLING Rexroth Relief Valve – Reliable Hydraulic Safety

The Rexroth Relief Valve 04950403 (part no. R901102333) is a precision-engineered screw-in cartridge valve designed for hydraulic systems in excavators and industrial machinery. This robust, direct-acting spool-type valve offers pressure reducing and relieving capabilities, withstanding up to 350 bar of maximum operating pressure and supporting flow rates around 30 L/min. Constructed with quality materials and standard CAAN cavity compatibility, it ensures responsive, leak-free hydraulic control under demanding conditions.

   SPARKLING MACHINERY NEW CX350D CX300D KSA13071 Adjusting Cylinder is a core hydraulic actuator for 2 Case excavator models (heavy-duty construction/mining use). It enables precise adjustment of critical components like boom or arm positioning, delivering stable force and smooth operation. 
   This hydraulic cylinder is used in the undercarriage tension spring mechanism for several large Case and Linkbelt excavators: 
Case Excavators: CX300C, CX300D LC, CX350C, CX350D LC, CX370D LC, CX380C, CX330, CX290, CX290B, CX350, CX350B, and 9050B.
Linkbelt Equipment: Compatible with certain models like the 250 X4 HEAVY DUTY Excavator.

• Protect your hydraulic system and maintain precise control with the SPARKLING MACHINERY premium Hydraulic Relief Valve (Part No. VOE11712907 / 11712907). Specifically engineered for Volvo EC25 and EC30 compact excavators, this valve ensures your machine operates within safe pressure limits, preventing hydraulic surges and component damage. In future, SPARKLING MACHINERY continues to set the standard for reliable, high-performance aftermarket solutions for the construction industry.

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  Key Features from SPARKLING MACHINERY:
  OEM Grade Compatibility: A 100% direct replacement for Volvo part numbers VOE11712907 and 11712907.
  Superior Pressure Regulation: Factory-calibrated for precise pressure relief, ensuring smooth and responsive excavator movements.
  Heavy-Duty Durability: Constructed with high-strength alloy steel and wear-resistant internal seals to withstand the high-cycle demands of mini excavators.
  Easy Installation: Designed for a perfect fit in the main control valve or auxiliary blocks, minimizing maintenance time.

   K9003219 Idler Pulley is a premium engine accessory drive component engineered for Doosan (Develon) DL450 wheel loaders. As a core part of the belt drive system, it maintains optimal belt tension, enables smooth power transmission to the alternator, water pump and air compressor, and prevents belt slippage, noise and premature wear during heavy-duty construction and material-handling tasks.

Manufacturer: Doosan (or Develon)
Function: This pulley is part of the engine's accessory drive system, specifically the alternator assembly, where it helps maintain correct belt tension and routing.

Compatible Equipment：
This idler pulley is specifically listed as a component for the engine assembly of the Doosan DL450 wheel loader. It may be compatible with other Doosan models using similar engine platforms.