Description
Nissan VG30E 3.0L V6 Remanufactured Engine – Professional Overview
The Nissan VG30E 3.0L V6 Remanufactured Engine provides a replacement powertrain solution for selected Nissan vehicles produced between July 1983 and April 1987.
The engine uses the VG30E 3.0L V6 configuration and is identified by block casting V52 and VIN code H. These identification details are important when determining compatibility because engine replacement requires more than simply matching displacement.
The supplied engine specifications indicate that fitment can be verified using the vehicle fitment information and applicable casting numbers. Buyers should compare these details with the original engine before ordering.
Rather than being supplied as an unchecked used engine, this unit undergoes a structured remanufacturing process involving cleaning, inspection, machining, component replacement, assembly, and final testing.
Compatibility and Vehicle Applications
This Nissan VG30E replacement engine is specified for applications covering 7/83–4/87.
The supplied identification information includes:
- Engine: Nissan 3.0L VG30E V6
- Application period: July 1983–April 1987
- Block casting: V52
- VIN code: H
- Configuration: V6
Exact vehicle compatibility should be confirmed before purchase. The original engine’s casting information and vehicle fitment details should be compared with the specifications for this replacement engine.
For older Nissan vehicles, confirming the correct engine configuration is particularly important because similar-displacement engines may have different identification or application requirements.
Remanufacturing Process and Quality Control
The engine undergoes a comprehensive remanufacturing process beginning with complete disassembly. This allows individual components to be cleaned and inspected before machining and assembly.
Cast-iron components are hot tanked, while aluminum components are thermally cleaned where applicable. The cleaning process prepares the components for detailed inspection and subsequent machining.
Applicable metal components undergo Magnaflux testing, which uses magnetic particles to identify microscopic cracks and fissures. Components are also visually inspected as part of the quality-control process.
Following inspection, deck surfaces are CNC machined and specified new components are installed. These include bearings, pistons, rings, lifters, oil pump, gaskets, Viton valve seals, freeze plugs, and galley plugs.
Depending on the engine configuration, the remanufacturing process also includes either a new timing chain with new tensioners or a new timing belt with a new tensioner. If the engine uses a timing-driven water pump, a new pump is installed.
Engine Assembly and Final Testing
After machining and installation of the specified new components, the engine is professionally reassembled and subjected to SIM testing.
During SIM testing, the cooling and oil systems are fully pressurized while the crankshaft is spun at high RPM. This process is used to verify compression and assess the quality of the completed engine assembly.
For buyers considering a VG30E remanufactured engine, the final testing stage provides an additional quality-control checkpoint following the machining and assembly processes.
Technical Specifications
| Specification | Details |
|---|---|
| Engine Type | 3.0L VG30E V6 |
| Engine Category | Remanufactured Replacement Engine |
| Application Period | 7/83–4/87 |
| Vehicle Brand | Nissan |
| Engine Configuration | V6 |
| Engine Code | VG30E |
| Block Casting Number | V52 |
| VIN Code | H |
| Cleaning Process | Hot tanking for cast iron / thermal cleaning for aluminum |
| Inspection | Visual inspection and Magnaflux testing |
| Machining | CNC-machined deck surfaces |
| New Components | Bearings, pistons, rings, lifters, oil pump, gaskets, Viton valve seals, freeze plugs, galley plugs |
| Timing Components | New timing chain and tensioners or timing belt and tensioner, where applicable |
| Water Pump | New pump where timing-driven |
| Final Testing | SIM testing |
| Cooling System Testing | Fully pressurized |
| Oil System Testing | Fully pressurized |
| Compression Verification | Yes |
| Warranty | Up to 7 years / 1 million miles, according to applicable warranty terms |
Engine Fitment and Identification
Correct identification is essential when replacing an older Nissan 3.0L V6 engine. The supplied specifications identify this engine as a VG30E with V52 block casting and VIN code H.
These details provide useful reference points when comparing the replacement engine with the original engine.
Buyers should verify the vehicle’s year, original engine configuration, VIN information, and casting information against the available vehicle fitment data before ordering.
Who This Engine Is Best For
This engine is intended for vehicle owners, professional mechanics, automotive repair facilities, rebuilders, and businesses requiring a Nissan VG30E replacement engine for an applicable vehicle.
It is particularly suitable for buyers looking for a professionally remanufactured assembly rather than an engine with an unknown used condition.
The documented cleaning, inspection, machining, component replacement, and SIM testing processes provide a structured remanufacturing approach for replacement-engine applications.
Remanufacturing Details and Long-Term Value
A replacement engine must provide the correct configuration as well as appropriate internal component preparation. This 3.0L VG30E remanufactured engine combines application-specific identification with a comprehensive rebuilding process.
The engine receives new specified internal components, CNC-machined deck surfaces, and inspection procedures designed to identify applicable defects before final assembly.
The result is a replacement engine prepared through a defined remanufacturing process rather than simply being supplied based on its original used condition.
Ordering, Fitment, and Support
Before ordering, compare the original engine and vehicle information against the supplied specifications. Pay particular attention to the VG30E engine code, V52 block casting number, VIN code H, and applicable model-year range.
Professional fitment verification is recommended when replacing an engine in an older Nissan vehicle. This helps ensure that the replacement configuration corresponds with the vehicle’s original application.
Buyers can also explore related remanufactured engines and replacement powertrain components when planning a complete engine replacement.
No unverified shipping or delivery claims are made here; availability and fulfillment should be confirmed at the time of purchase.
Frequently Asked Questions
What engine is the Nissan VG30E?
The Nissan VG30E is a 3.0L V6 engine configuration identified in this product by the VG30E engine designation, V52 block casting number, and VIN code H. The supplied application range is July 1983 through April 1987.
What vehicles does this Nissan VG30E engine fit?
The supplied information identifies an application period of 7/83–4/87 for Nissan vehicles. Exact vehicle compatibility should be verified through the applicable vehicle fitment information and by comparing the original engine’s identification and casting numbers.
What is the block casting number?
The block casting number specified for this engine is V52. This casting information can be used as an additional reference when checking whether the replacement engine corresponds to the required application.
What does the remanufacturing process include?
The engine is completely disassembled, cleaned, inspected, machined, and reassembled with specified new components. The process includes bearings, pistons, rings, lifters, oil pump, gaskets, Viton valve seals, freeze plugs, and galley plugs, along with applicable timing components.
Is the engine tested after remanufacturing?
Yes. The completed engine undergoes SIM testing. The cooling and oil systems are fully pressurized, and the crankshaft is spun at high RPM to verify compression and assess build quality.
How do I verify that this VG30E engine will fit my vehicle?
Compare your vehicle’s application information and original engine identification with the supplied specifications. The VG30E engine code, V52 block casting number, VIN code H, and 7/83–4/87 application range are important reference points for fitment verification.
What warranty is included?
The supplied product information states that each engine comes with up to 7 years and 1 million miles of warranty, with an option to upgrade to Pure Care no-fault protection. Actual coverage remains subject to the applicable warranty terms.
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