GT1241Z Turbocharger 7030304 | Cross-Reference for Doosan D24 Bobcat

Verified Cross-Reference — Every 7030304 suffix variant mapped to the GT1241Z platform before it leaves our Guangzhou warehouse.

Technical Specifications

Application Suitability

Why the Same GT1241Z Number Ships in Four Different Suffix Variants

The 7030304 base designation covers multiple physical configurations — ordering by base number alone risks receiving a turbo that bolts to the manifold but fails to connect to your specific intake or actuator bracket.

In the Pearl River Delta parts trade, I have seen too many GT1241Z turbochargers arrive on site with the correct part number stamped on the box but the wrong wastegate actuator rod length or compressor housing port orientation for the machine standing in the yard. The Doosan D24 engine family has been through several production revisions across Bobcat's E-series, S-series, and T-series equipment lines. Each revision introduced subtle changes to the turbo interface — a different oil feed fitting thread here, a relocated actuator bracket there. The result is that 150105-00044 suffixes A, C, D, and H all reference the GT1241Z platform but are not universally interchangeable across every Bobcat model year [NEED_CITE: turbocharger variant identification for compact diesel engines]. A cross-reference table that treats them as identical will put the wrong unit on your machine.

Mapping Superseded Numbers Across Bobcat Generations

The 795787-series references — 7957870003, 7957870007, and 7957870016 — represent a discontinuation trail that spans multiple Bobcat production runs. When a buyer holds a worn nameplate showing 795787-0003, that number has long since been superseded, and the correct current-production GT1241Z Turbocharger 7030304 replacement depends on which machine generation the engine sits in. We verify every superseded and alternate number against physical interface specifications, not just copied cross-reference tables, so the unit that ships matches the machine standing in your workshop.

Interface Checkpoints That Separate a Fit from a Failure

Before any GT1241Z turbocharger leaves stock, we confirm turbine inlet and outlet flange patterns against the machine's exhaust manifold, compressor housing port orientation relative to the intake ductwork, wastegate actuator mounting geometry, and oil feed and return fitting positions. These four checkpoints are where variant differences manifest physically [NEED_CITE: turbocharger installation interface verification procedures]. A turbo that matches on paper but fails any one of these four checks will either not bolt on or will operate with compromised oil supply — both outcomes mean the machine stays down.

Reading the GT1241Z Specification Sheet for Real-World Fitment

The GT1241Z designation defines the turbine and compressor wheel geometry, which governs the airflow volume and boost pressure curve this turbocharger delivers to the Doosan D24 engine. The turbine inlet flange must match the manifold stud pattern and gasket surface exactly — even a small mismatch in bolt spacing forces the installer to modify the manifold or use an adapter, introducing exhaust leak risk. Compressor housing port orientation determines whether the outlet aligns with the charge air cooler piping on your specific Bobcat model, and getting this wrong on a compact machine like the S510 means rerouting intake plumbing in a confined engine bay. The wastegate actuator rod length must match the bracket geometry, or boost pressure regulation will be inaccurate, causing either underperformance or overboost conditions that damage the engine [NEED_CITE: wastegate actuator calibration for small-displacement diesel turbochargers]. Oil feed and return fitting thread specifications must correspond to the engine's existing oil lines to maintain proper bearing lubrication under all operating conditions.

What a Misidentified Variant Actually Costs on Site

When a GT1241Z turbocharger arrives with the wrong actuator bracket or port orientation, the machine remains down while the correct unit is sourced and shipped — a second round of freight, a second round of waiting, and a second round of labor to attempt installation. In tighter cases, a turbo that almost fits gets forced onto the machine with improvised brackets or hose routing, leading to exhaust leaks, oil starvation at the bearing, or boost irregularities that surface as intermittent power loss weeks later [NEED_CITE: premature turbocharger failure causes in compact equipment]. These secondary failures are harder to diagnose than a straightforward non-fit, and they erode confidence in the parts supply chain.

Why Buyers Source This Turbocharger Through Our Counter

We produce selected turbocharger lines in our own facility and source the remainder from qualified ISO-certified manufacturing partners, both covered under the same warranty terms and the same account. Our cross-reference verification covers superseded numbers like the 795787-series and all 150105-00044 suffix variants, checked against physical interface data rather than copied tables. Buyers can request a fitment sample to confirm GT1241Z Turbocharger 7030304 compatibility on their specific machine before committing to a fleet order. Our technical team confirms variant selection from a machine model, serial number, photograph, or nameplate image — whichever identifier the buyer has available. Guangzhou warehouse stock on common variants allows fast dispatch when the machine is already down and waiting.

Documentation & Verification

• Commercial invoice listing full 7030304 cross-reference numbers for customs clearance
• Fitment and cross-reference sheet mapping your machine serial range to the correct variant
• Dimensional inspection record covering flange pattern, port orientation, and fitting positions
• Warranty terms covering manufacturing defects for 3 to 12 months from dispatch
• Packing photographs showing the specific turbocharger unit before crating
• HS code and export documentation support for international shipments

Fitment Check Before Installation

• Compare turbine inlet flange bolt pattern against your Doosan D24 exhaust manifold before removing protective caps
• Verify compressor outlet port orientation matches the charge air cooler pipe routing on your Bobcat model
• Confirm wastegate actuator rod length and bracket mounting points against the original turbocharger
• Check oil feed and return fitting thread sizes against existing engine oil lines for direct connection
• Spin the compressor wheel by hand to verify free rotation before connecting oil supply lines
• If any interface dimension does not match, halt installation and contact us with photographs for variant verification

Getting the Right Turbo Identified for Your Machine

Send us your Bobcat machine model and serial number, or a clear photograph of the existing turbocharger nameplate if it is still legible. If the nameplate is worn or painted over, a photo of the turbo in position showing the flange pattern and port orientation is sufficient for our team to verify the correct GT1241Z variant. We will confirm fitment against your specific machine configuration and provide a cross-reference validation before any order is placed.

Frequently Asked Questions

Q: How do I confirm this GT1241Z fits my Bobcat when only the machine model is known? A: Machine model alone narrows the range, but the exact serial number determines which variant suffix applies. We cross-check your serial against our fitment database covering E-series, S-series, and T-series Bobcat equipment. If the serial is unavailable, photographs of the existing turbocharger interfaces — flange pattern, port orientation, actuator bracket — allow us to verify the correct GT1241Z Turbocharger 7030304 configuration.

Q: Why are there multiple 150105-00044 suffixes — do they all fit the same machine? A: Suffixes A, C, D, and H represent production revisions within the Doosan D24 engine family. Each revision introduced changes to the turbocharger interface — actuator bracket geometry, port orientation, or fitting specifications. They share the GT1241Z platform but are not universally interchangeable. We map each suffix to specific Bobcat model and serial ranges to ensure the variant you receive matches your machine.

Q: My old turbo shows 795787-0003, but that number is discontinued — is 7030304 the correct replacement? A: The 795787-0003 reference is a superseded number that traces to the current 7030304 designation on the GT1241Z platform. However, superseded numbers sometimes span multiple variant configurations. We verify the correct current-production replacement by cross-referencing your machine model, serial number, and physical interface dimensions to confirm fitment before shipping.

Q: Can I order one sample to confirm fitment before committing to a fleet order? A: Yes. Our minimum order is one piece, and we support sample supply specifically for fitment confirmation. Install the sample on one machine in your fleet, verify all interface dimensions and operational performance, then release the bulk order with confidence that every unit will match. This approach is standard practice for fleets running mixed Bobcat equipment across multiple model years.

Q: What if my machine nameplate is unreadable — can you identify the right turbo from photographs? A: We regularly identify turbocharger variants from photographs when nameplates are worn, painted over, or missing. Send clear images showing the turbine inlet flange, compressor housing ports, wastegate actuator mounting, and oil fitting positions. Our technical team compares these against known interface configurations for each Bobcat model and Doosan D24 engine serial range to determine the correct GT1241Z variant.