TOYOTA 19000-31320 Engine Motor Block 4.0L V6

( Manufacturer Part Number: 19000-31320 ), ( Part Type: Engine Motor Block ), ( Manufacturer Warranty: 90 Day ), ( Part Source: Genuine Oem ), ( Fitment Type: Direct Replacement ), ( Part Category: Engine-assembly ), ( Genuine Oem: Yes )

Review TOYOTA Engine Motor Long Block Assembly 4.0l V6 fits 4RUNNER 2003–2005

The Toyota 19000-31320 engine motor block is a crucial component of the 4.0L V6 powertrain found in select 2003-2005 Toyota 4Runner models. This motor block is engineered with Toyota's renowned commitment to durability, reliability, and performance.

The engine motor block is essentially the housing that contains the cylinders where the combustion process takes place in an internal combustion engine. This particular motor block is designed to accommodate six cylinders arranged in a V configuration, with a total displacement of 4.0 liters. Each cylinder features a bore size of approximately 3.47 inches and a stroke length of around 3.07 inches.

The motor block is manufactured from a high-strength cast iron material, which provides excellent heat dissipation and resistance to engine stresses. The cylinder bores are precision-machined to ensure a perfect fit for the pistons and cylinder liners, contributing to optimal engine performance and efficiency.

Additionally, this motor block is equipped with a water jacketing system that ensures efficient cooling of the engine. The water jacket surrounds the cylinders and engine walls, allowing engine coolant to flow through and absorb the heat generated during combustion. This cooling system helps maintain optimal engine temperature for consistent performance and longevity.

The motor block also features various mounting points for various engine components, such as the crankshaft, cylinder head, and accessories. These mounting points are designed to provide a stable and secure connection between the components, ensuring proper engine alignment and reducing vibrations.

To ensure a perfect fit, this motor block is designed to be a direct replacement for the original motor block in 2003-2005 Toyota 4Runner models. Installation is typically straightforward, though it is recommended to consult the vehicle's service manual or consult with a professional mechanic for proper installation procedures and any necessary precautions.

In summary, the Toyota 19000-31320 engine motor block is a robust and reliable component of the 4.0L V6 powertrain found in select 2003-2005 Toyota 4Runner models. Its high-strength cast iron construction, precise cylinder bores, efficient cooling system, and secure mounting points contribute to optimal engine performance, efficiency, and longevity.

A Detailed Analysis of Buying a Toyota 4.0L V6 Engine Motor Block for a 2003-2005 4Runner

The Toyota 4.0L V6 engine is renowned for its durability and reliability. However, issues with the motor block may arise, leading some Toyota 4Runner owners to consider purchasing a replacement motor block. In this analysis, we will discuss the pros and cons of buying a used Toyota 4.0L V6 engine motor block for a 2003-2005 4Runner.

1. Cost-effective: A used engine motor block is generally more affordable than buying a brand-new one or even a rebuilt engine.

2. Availability: Used engine motor blocks are more readily available from various sources, such as salvage yards or online marketplaces.

3. Quick solution: If the engine failure is due to a cracked motor block, replacing the motor block is a more time- and cost-effective solution compared to a complete engine rebuild.

4. Potential for a high-performance upgrade: Some used engine motor blocks may have performance upgrades, providing the opportunity to enhance the vehicle's power output.

1. Risk of unknown issues: When purchasing a used engine motor block, there is a risk of inheriting unknown issues that may require additional repairs or components.

2. Potential compatibility issues: Ensure that the used engine motor block is compatible with your specific 2003-2005 4Runner model and any modifications you may have.

3. Labor costs: Installing a used engine motor block may require professional labor, which can add to the overall cost.

4. Potential for mismatched parts: If you source parts from various suppliers, there is a risk of receiving mismatched parts, which may require additional time and cost to rectify.

Considering the pros and cons, purchasing a used Toyota 4.0L V6 engine motor block for a 2003-2005 4Runner can offer a cost-effective solution to engine failure. However, it is crucial to thoroughly research the seller, the condition of the motor block, and the potential compatibility issues before making a purchase. A reliable source for a used motor block, such as a reputable salvage yard or a trusted online marketplace, can help minimize the risks associated with buying a used engine motor block.

1. Research reputable sellers and salvage yards.

2. Request detailed information about the motor block, including its history and condition.

3. If possible, inspect the motor block in person.

4. Ensure compatibility with your 4Runner model and any modifications.

5. Budget for potential additional repairs or labor costs.

Details:

Images: All images are of the actual item. May have wear and tear. 2003 2005 Toyota 4Runner Engine Motor Long Block Assembly 4.0L V6 19000-31320, 246K Mi.

part #: 1900031320 prices

• $27.34-$120.45

specifications grokengines:

• for models: 4runner
• for makes: Toyota
• for years: 2003-2005
• mpn: 19000-31320
• part type: Engine Motor Block
• manufacturer warranty: 90 Day
• part source: Genuine Oem
• fitment type: Direct Replacement
• part category: Engine-assembly
• genuine oem: Yes

returns grokengines:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

general grokengines:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Engines

offer grokengines:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• best offers: True
• started: March 2, 2026

shipping grokengines:

• service: Flat Rate Freight
• class: Freight
• cost: $300.00
• type: Fixed

seller grokengines:

• rating: 99.5%
• # reviews: 28226
• city: Rancho Cordova, California

payments grokengines:

• other
• wallet: Paypal
• credit card: Visa

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