B20 Engine for Sale: Your Ultimate Guide to Buying the Legendary Honda Engine

If you’re in the market for a reliable, efficient, and performance-driven engine, the B20 engine is a name you’ve likely come across. Known for its durability and potential for modifications, the B20 engine has become a favorite among Honda enthusiasts, mechanics, and car builders worldwide.

In this comprehensive guide, we’ll cover everything you need to know about the B20 engine for sale—from what makes it special, key specifications, common uses, tips for purchasing, and where to find the best deals online and offline.

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What is a B20 Engine?

The B20 engine is part of Honda’s B-series family of engines, famous for powering several Honda models during the late 1980s through the early 2000s. Specifically, the B20 refers to a 2.0-liter, inline-four cylinder engine known for its balance of power and reliability.

Key Features of the B20 Engine:

• Displacement: 2.0 liters (1973 cc)

• Configuration: Inline 4-cylinder

• Valvetrain: SOHC or DOHC (varies by model)

• Fuel Delivery: Carbureted or fuel-injected (depending on year)

• Power Output: Approximately 125-160 horsepower stock, depending on variant

• Torque: Ranges between 130-140 lb-ft in stock form

This engine was used predominantly in Honda CR-Vs, Acura Integra, and other models, often praised for its smooth performance and potential for tuning.

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Why Choose a B20 Engine?

When looking for an engine, reliability and performance are two major factors. The B20 engine scores highly on both fronts.

Advantages of the B20 Engine:

1. Reliability: Known for robust construction and long lifespan when maintained properly.

2. Aftermarket Support: Huge aftermarket ecosystem for performance parts and upgrades.

3. Tuning Potential: Easily modified for increased horsepower and torque.

4. Compatibility: Can often be swapped into older Honda chassis for better performance.

5. Fuel Efficiency: Maintains good gas mileage compared to larger displacement engines.

Because of these factors, the B20 engine is a top choice for people restoring older Hondas, building custom projects, or looking for a dependable used engine.

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Common Applications for B20 Engines

The B20 engine is versatile and used in a variety of Honda models. Here are some common vehicles where you’ll find B20 engines or can swap one in:

• Honda CR-V (1997–2001): The B20B engine is famous for powering the early CR-Vs, offering a perfect mix of economy and utility.

• Honda Integra (Acura Integra): Models like the Integra LS/GS/RS were equipped with B20 engines.

• Honda Civic: Some B20 variants have been swapped into Civics for enhanced performance.

• Honda CRX: The B20A and B20B engines are popular swaps in older CRX models.

• Custom Builds: Car enthusiasts frequently use B20 engines for swap projects due to their tunability.

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Types of B20 Engines Available for Sale

There are several variants of the B20 engine, each with different specs and characteristics. Knowing which type you want is essential before buying.

Popular B20 Variants:

• B20A: DOHC engine, typically found in early Acura and Honda models, producing around 150-160 hp.

• B20B: SOHC engine used in the Honda CR-V, known for its torque and reliability.

• B20Z: Another SOHC variant with slightly different tuning.

• B20B1, B20B4, etc.: Sub-variants with minor differences depending on market and year.

Each version may have slight differences in power output, emissions compliance, and component compatibility.

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Where to Find a B20 Engine for Sale

When looking for a B20 engine for sale, you have multiple options depending on budget, urgency, and trust level.

1. Online Marketplaces

• eBay Motors: Offers a wide variety of used and rebuilt B20 engines, often with buyer protection.

• Craigslist: Local sellers sometimes list engines, allowing for in-person inspection.

• Facebook Marketplace: Another local option, often with competitive pricing.

• Specialty Honda Forums: Many Honda enthusiast forums have classified sections where users sell engines.

2. Auto Salvage Yards / Junkyards

• Good for finding used engines at a lower price.

• Can inspect the engine physically before purchase.

• Requires some mechanical knowledge to evaluate engine condition.

3. Engine Rebuilders and Performance Shops

• Offer rebuilt or remanufactured B20 engines.

• Often provide warranty and quality assurance.

• Slightly higher price but more reliable.

4. Local Mechanics and Car Shops

• Some mechanics have used or rebuilt engines for sale.

• May provide installation services and inspection.

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How to Choose the Right B20 Engine

Buying an engine can be tricky if you’re not sure what to look for. Here are some tips:

1. Check the Engine Condition

• Look for signs of leaks, corrosion, or damage.

• Ask about compression test results.

• Inquire if the engine was recently rebuilt or needs work.

2. Know Your Vehicle Compatibility

• Confirm the B20 engine variant fits your car’s chassis and mounts.

• Check wiring harness compatibility.

3. Consider Mileage and Usage

• Lower mileage engines are preferable.

• Engines from vehicles used mostly on highways usually have less wear.

4. Warranty and Return Policy

• Buy from sellers who offer at least a limited warranty.

• Return policies can protect you if the engine has undisclosed issues.

5. Ask for Documentation

• Request maintenance records.

• Verify the engine serial number and history.

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Cost of a B20 Engine for Sale

Prices vary widely based on engine condition, variant, and seller.

Typical Price Ranges:

• Used Engines: $500 to $1500

• Rebuilt Engines: $1500 to $3000

• Brand New/Rebuilt Performance Engines: $3000 and up

Keep in mind installation, shipping, and possible additional repairs when budgeting.

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Common Upgrades and Modifications for the B20 Engine

If you’re buying a B20 engine with plans to boost performance, here are popular upgrades:

• Performance Camshafts: Improve valve timing for better power.

• Intake and Exhaust Upgrades: Better airflow enhances performance.

• ECU Tuning: Optimize fuel and ignition mapping.

• Forced Induction (Turbo or Supercharger): Dramatically increase horsepower.

• Higher Compression Pistons: For more power at higher RPMs.

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Maintenance Tips for Your B20 Engine

To keep your B20 running smoothly, regular maintenance is key:

• Oil Changes: Every 3,000 to 5,000 miles using quality oil.

• Timing Belt: Replace every 60,000 to 100,000 miles to avoid engine damage.

• Cooling System: Regular checks and flushes to prevent overheating.

• Spark Plugs and Ignition: Replace plugs as recommended.

• Air Filter: Clean or replace regularly to ensure proper airflow.

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Frequently Asked Questions (FAQs)

Q1: Can a B20 engine be swapped into a Honda Civic?

A: Yes, B20 swaps into Civics are common for more power. However, modifications to mounts, wiring, and ECU may be necessary.

Q2: Are B20 engines reliable for daily driving?

A: Absolutely. When maintained properly, B20 engines provide many miles of reliable service.

Q3: Where can I find a rebuilt B20 engine with warranty?

A: Look for specialty rebuilders or online shops that offer warranties and quality guarantees.

Q4: How much horsepower can a stock B20 engine produce?

A: Stock B20 engines produce between 125-160 hp depending on the variant.

Q5: Is the B20 engine fuel efficient?

A: Compared to larger engines, the B20 provides decent fuel efficiency, especially in SOHC variants.