Description
Infiniti Nissan VG30E 3.0L V6 Remanufactured Engine – Professional Overview
The Infiniti Nissan VG30E 3.0L V6 Remanufactured Engine is a replacement engine designed for specified Infiniti and Nissan applications manufactured between April 1987 and December 1991.
The engine uses the VG30E 3.0L V6 configuration and is identified in the supplied specifications by block casting numbers 21V and 85E and VIN code H.
When replacing an older engine, accurate identification is essential. The engine displacement, engine family, casting information, VIN code, vehicle application, and production period should all be considered when confirming compatibility.
This is a remanufactured engine rather than a used engine assembly. The supplied remanufacturing process includes complete disassembly, deep cleaning, inspection, machining, installation of specified new components, final assembly, and SIM testing.
Fitment and Application Information
This VG30E 3.0L V6 engine is listed for select Infiniti and Nissan applications from 4/87 through 12/91.
The supplied product information identifies the engine using:
- Engine configuration: VG30E 3.0L V6
- Block casting numbers: 21V, 85E
- VIN code: H
- Application period: April 1987–December 1991
Exact fitment should be verified using the vehicle fitment information and applicable casting numbers before ordering.
This verification is particularly important for older Nissan and Infiniti vehicles because engines from similar model years may have different specifications or application requirements.
How the Engine Is Remanufactured
The remanufacturing process begins with complete engine disassembly and deep cleaning. Cast-iron components are hot tanked, while aluminum components are thermally cleaned to prepare them for inspection and machining.
Components are then inspected for condition. Magnaflux testing uses magnetic particles to identify microscopic cracks and fissures that could affect engine reliability. Components also receive visual inspection.
During machining and assembly, 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.
The timing system is also addressed during the rebuild. Depending on the applicable engine design, the process includes a new timing chain with tensioners or a new timing belt with its tensioner. If the engine uses a timing-driven water pump, a new pump is installed.
Following assembly, the engine undergoes SIM testing. The cooling and oil systems are fully pressurized, while the crankshaft is spun at high RPM to verify compression and build quality.
What Buyers Should Know Before Installation
Selecting a replacement VG30E engine requires more than matching the 3.0L displacement.
The VG30E engine designation, casting numbers, VIN code, production period, and vehicle application should be compared with the original engine and the available fitment information.
This is especially important for older Infiniti and Nissan vehicles, where related engine configurations may have been used across different applications.
Buyers should also ensure that the cause of the original engine failure has been properly diagnosed before installing a replacement engine.
Why This Engine Is a Practical Replacement
The Infiniti Nissan VG30E 3.0L V6 combines a specific engine identification with a comprehensive remanufacturing process.
The listed casting numbers and VIN code provide useful identification points when comparing the replacement with the original engine. The rebuilding process then adds multiple quality-control stages, including inspection, machining, replacement of specified components, assembly, and SIM testing.
For owners and repair professionals working with compatible older Nissan or Infiniti applications, this provides an alternative to sourcing an engine with an unknown used history.
Who This Engine Is Best For
This 3.0L VG30E remanufactured engine is intended for buyers requiring a replacement engine for a compatible Infiniti or Nissan application.
It can be suitable for:
- Infiniti and Nissan vehicle owners replacing a failed VG30E
- Automotive repair shops sourcing replacement engines
- Professional technicians performing engine replacement work
- Restoration projects involving compatible Nissan or Infiniti vehicles
- Buyers specifically searching for a VG30E 3.0L V6 replacement engine
Before ordering, confirm the vehicle’s model year, application, engine configuration, VIN information, and applicable casting numbers.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Remanufactured Engine |
| Engine Family | VG30E |
| Displacement | 3.0L |
| Configuration | V6 |
| Application Period | 4/87–12/91 |
| Listed Makes | Infiniti, Nissan |
| Block Casting Numbers | 21V, 85E |
| VIN Code | H |
| Engine Condition | Remanufactured |
| Cleaning Process | Hot tanking for cast iron / thermal cleaning for aluminum |
| Inspection | Magnaflux testing and visual inspection |
| Machining | CNC-machined deck surfaces |
| Testing | SIM tested after assembly |
| Warranty | Up to 7 years / 1 million miles, with optional Pure Care no-fault protection |
Ordering and Support
Before purchasing the Infiniti Nissan VG30E 3.0L V6 Remanufactured Engine, verify the exact vehicle application and compare the original engine identification with the specifications provided.
The product information specifically recommends verifying fitment through the vehicle fitment information and applicable casting numbers. This helps confirm compatibility beyond simply matching the 3.0L displacement.
The remanufacturing process includes several quality-control stages, from initial inspection and machining through final assembly and SIM testing.
Buyers looking for other replacement powertrains can also explore related products within the remanufactured engine category and other Nissan and Infiniti engine applications.
Frequently Asked Questions
What is the VG30E engine?
The VG30E is a 3.0L V6 engine configuration identified in this product by the VG30E engine designation, block casting numbers 21V and 85E, and VIN code H.
What years does this VG30E engine cover?
The supplied product information identifies applications from April 1987 through December 1991. Exact compatibility should be verified using the vehicle fitment information and applicable casting numbers.
Which vehicles use this VG30E replacement engine?
The listing identifies Infiniti and Nissan applications. Because exact fitment depends on the specific vehicle and engine configuration, the vehicle fitment information should be checked before ordering.
How is this engine remanufactured?
The engine is completely disassembled and cleaned before inspection and machining. Specified new components are installed during assembly, followed by SIM testing to verify compression and build quality.
What are the block casting numbers?
The listed block casting numbers are 21V and 85E. These numbers can be compared with the original engine when verifying compatibility.
How is the finished engine tested?
The completed engine undergoes SIM testing, during which the cooling and oil systems are pressurized and the crankshaft is spun at high RPM to verify compression and build quality.
What warranty is available?
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.
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