Product Details
Element 4025284 (Caterpillar indexing 4025284, cross-referencing Bosch P-type lineage) operates as a precision-ground multi-orifice atomizer insert bespoke-calibrated for CAT 3116 and early 3126 mechanical pump drivetrains. Rigidly seated within the CAT GP-class holder nose via 9/16″-18 UNF nut and 60° conical seat, this module leverages a CAT-spec micro-sac geometry with a five-hole × ~0.27 mm aperture array at a 150° dispersion cone. It upholds steadfast crack-pressure equilibrium in the 200–220 bar band (engine-CAL dependent), sustaining homogeneous spray morphology amidst mechanical pump pulse variance and thermal ambient drift. Nut hex 19 mm, seat angle 60°, sac volume ~0.18 mm³-tuned to CAT 3116 bowl swirl, not Bosch 131/191 VE-family dimensions. Cross-reference lineage: CAT 4025284 / 138-7456 sub / 212-8470 tip-class cousin / Bosch 0 432 191 284-equivalent.
Video Description
Product Parameters
| Part Number | 4025284 |
| Items |
Fuel Injector |
| Type |
Oil pump, oil nozzle |
| Condition | New |
| Material | 45# steel |
| Compatible Models | Cummins QST30 Series Engine |
| Price | $9.5-$10 |
| Shape | Standard injector shape |
| Working Temp | Adapt to diesel engine normal working temperature |
| Lead Time | 3-10 working days (According to quantity and seasons, the lead time is different) |
| MOQ | 4 PC |
| OEM | Acceptable (customized tag, label, logo) |
| Sample | Available (sent first for quality inspection) |
Our Advantages
Derived from thermally robust high-grade metal frameworks, this ultra-precise fuel governing mechanism ensures uninterrupted medium flow and consistent droplet dispersion amid shifting pressure regimes and persistent cyclical temperature loads. Every fully built unit undergoes exhaustive operational fine-tuning to optimize combustion effectiveness, rectify occasional low-temperature starting faults, and impede soot layering within cylinder bore compartments. Precisely reworked internal routing geometries strengthen peak turning effort, cut power consumption per operating cycle, and suppress harmful smoke discharges. Adapted for simple clip-free attachment and efficient field upkeep, its resilient reinforced casing accommodates commercial delivery fleets, public works excavators, and stationary energy production facilities. Stringent group-level quality oversight preserves uniform production specifications across every exported consignment, with personalized acquisition coordination furnished through formally accredited regional distribution networks.
FAQ
1.Is 4025284 the whole CAT injector or just the tip?
Just the tip. Unlike 212-8470 (which is the whole GP unit injector), 4025284 is the screw-in nozzle element that lives inside the CAT GP holder on 3116/3126 mechanical builds. Ordering 4025284 alone gets you no plunger, no spring, no holder body-only the spraying insert. Mixing it up with 212-8470 is the same class of error as confusing a Bosch 0432131628 tip with a KDEL82P12 holder.
2.Can 4025284 drop into a Bosch KDAL59P2 VE holder?
No. Thread is 9/16″-18 UNF (CAT spec), not M14×1.5 (Bosch P-type); seat cone is 60° but the nut flange diameter and guide bore (Ø7.00 mm CAT vs Ø6.00 mm Bosch) differ. Forcing it cross-platform galls the guide on first start. 4025284 stays in CAT GP holders only; for Cummins 4BT/6BT VE you use 131-series Bosch/Cummins tips, not this.
Hot Tags: real factory fuel injector 4025284 for cummins qst30 series engine, China real factory fuel injector 4025284 for cummins qst30 series engine suppliers, factory, 2240399, 3908513, for cummins diesel injector, fuel diesel injector, Injector 3802982, Injector For Cummins 6BT 6BTA Engine
