---
product_id: 11218824
title: "Subaru 10103AC030 Short Block Engine"
brand: "subaru"
price: "$8915.34"
currency: USD
in_stock: true
reviews_count: 6
url: https://www.desertcart.ec/products/11218824-subaru-10103ac030-short-block-engine
store_origin: EC
region: Ecuador
---

# Complete short block assembly Fits 04-07 Subaru STi models 2.5L turbocharged power Subaru 10103AC030 Short Block Engine

**Brand:** subaru
**Price:** $8915.34
**Availability:** ✅ In Stock

## Summary

> ⚡️ Power Up Your Subaru STi with Factory-Grade Precision!

## Quick Answers

- **What is this?** Subaru 10103AC030 Short Block Engine by subaru
- **How much does it cost?** $8915.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/11218824-subaru-10103ac030-short-block-engine)

## Best For

- subaru enthusiasts

## Why This Product

- Trusted subaru brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Upgrade Your Drive:** Unlock the potential of your ride with a trusted short block that delivers consistent power and durability.
- • **OEM Quality Assurance:** Built by Subaru to exact factory specs, ensuring reliability and peak performance.
- • **Precision Engineered Power:** Experience the raw 2.5L turbocharged performance that defines Subaru STi legacy.
- • **Turnkey Short Block Solution:** Comes fully assembled for a hassle-free upgrade or replacement—get back on the road faster.
- • **Perfect Fit for STi Enthusiasts:** Specifically designed for 2004-2007 Subaru STi models—no guesswork, just seamless integration.

## Overview

The Subaru 10103AC030 Short Block Engine is a fully assembled 2.5L turbocharged short block designed specifically for 2004-2007 Subaru STi models. Manufactured by Subaru to OEM standards, it offers a reliable and direct-fit solution for engine rebuilds or performance upgrades.

## Description

Subaru 10103AC030 Short Block Engine

## Features

- Subaru 04-07 STi Short Block Loaded 2.5L

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Subaru |
| Brand | Subaru |
| Model | Short Block Engine |
| Item model number | 10103AC030 |
| Is Discontinued By Manufacturer | No |
| Exterior | Standard |
| Manufacturer Part Number | 10103AC030 |
| OEM Part Number | 10103AC030 |

## Images

![Subaru 10103AC030 Short Block Engine - Image 1](https://m.media-amazon.com/images/I/914na1eNSqL.jpg)
![Subaru 10103AC030 Short Block Engine - Image 2](https://m.media-amazon.com/images/I/9193tDI1jsL.jpg)
![Subaru 10103AC030 Short Block Engine - Image 3](https://m.media-amazon.com/images/I/51QQPbHmdsL.jpg)

## Questions & Answers

**Q: Does this include the gasket set?**
A: Nope it's just the short block. You'll have to buy the gaskets separately. It does have a rear main seal though.

**Q: Do you guys sell 08+ sti longblocks? if not 08 shortblocks? 05 sti longblocks? i would like to buy one**
A: We only have short blocks available. We have them for any Subaru you need

**Q: Will this fit a 2005 legacy gt limited manual trans.**
A: Yes it will fit and has better rods than the LGT or standard 06-07 WRX short blocks

**Q: Is this the short block used in a 2005 Subaru Baja turbo?**
A: This short block fits a 2004 to 2007 Subaru Impreza STI and it is not originally used in a Subaru Baja.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great
  

*by E***D on Reviewed in the United States on May 30, 2014*

The short block showed up extremely well packed and very quickly. Couldn't be happier. Everything looked good, and haven't had any issues since it's been installed.

### ⭐⭐ 2.0 out of 5 stars







  
  
    It can fail ,spun rod bearing
  

*by S***N on Reviewed in the United States on May 23, 2019*

Almost 3 years after rebuilding my engine with this block stock 05 sti daily driven to work about 36k miles yesterday after oil replacement it was on idle for about 10-15 min, then I pressed the gas to about 4-5k rpms to check some data from ecu scanner and engine stopped ,it spun rod bearing ,2.5l Subaru blocks may fail on you ,better to invest these money and buy jdm ej207 engine

### ⭐ 1.0 out of 5 stars







  
  
    Terrible.
  

*by A***R on Reviewed in the United States on June 25, 2017*

Product arrived with damages upwards of 500 dollars and the 500 dollars might not fix it.  "Brand new." Lol

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ec/products/11218824-subaru-10103ac030-short-block-engine](https://www.desertcart.ec/products/11218824-subaru-10103ac030-short-block-engine)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-20*