Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L
Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L is a durable aluminum oil pan with 5-quart capacity, priced at $97.35. Ideal for replacing damaged OEM pans in V6 4.3L engines found in Express vans and S10 pickups.
● In stock
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Key features
- Aluminum construction for heat dissipation
- 5-quart oil capacity for full lubrication
- Center sump with wet sump compatibility
- 12 mounting holes for secure engine fit
- Includes drain plug and windage tray
- 14 mm drain thread size standard
- Dipstick port aligned with factory setup
Pros
- +Lightweight aluminum resists corrosion
- +Direct OEM replacement fit for 4.3L V6
- +Includes windage tray for performance
- +Affordable compared to dealership parts
- +Compatible with multiple GM models
Cons
- −Gasket not included
- −No installation hardware
- −No engine oil cooler fitting
About Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L
What is Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L?
This direct-fit replacement oil pan sump is engineered for Chevrolet and GMC vehicles equipped with the 4.3L V6 engine, including Express 1500/2500 vans, S10 pickups, and Workhorse Fastrack models. Constructed from lightweight aluminum, it offers corrosion resistance and efficient heat dissipation. Designed for wet sump systems, it supports standard oil circulation with a center-mounted sump and includes a built-in windage tray to reduce oil foaming and improve engine performance under load.
Key features
- Material — High-strength aluminum for durability and heat management.
- Capacity — Holds 5 quarts of engine oil for optimal lubrication.
- Sump Type — Center-located wet sump design for reliable oil pickup.
- Mounting — 12-hole pattern ensures secure fit on 4.3L V6 engines.
- Drain Plug — Includes a drain plug; drain thread size is 14 mm.
- Windage Tray — Integrated tray minimizes oil aeration during high RPM operation.
- Dipstick Port — Compatible with factory dipstick setup for accurate oil level checks.
Who is Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L for?
This oil pan is ideal for DIY mechanics and auto repair shops servicing older GM full-size vans, trucks, and Workhorse chassis from 1996 to 2007. It's best suited for replacements due to rust, impact damage, or worn threads. Compatible with popular models like the Chevrolet Express, GMC Savana, S10, and Silverado 1500, it’s a cost-effective upgrade from corroded steel pans.
How does Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L compare?
Compared to stock steel oil pans, this aluminum version offers better thermal conductivity and rust resistance. While it doesn’t include a gasket or hardware, it matches OEM dimensions for reliable fitment. It lacks an engine oil cooler return fitting, making it best for non-high-performance applications. Against universal aftermarket pans, it provides precise fitment without modification, saving installation time.
Best use cases
- →Replacing rusted OEM oil pans
- →Restoring 1996-2007 GM vans
- →Upgrading S10 or Sonoma trucks
- →Workhorse Fastrack maintenance
- →DIY engine rebuilds on 4.3L V6
Is Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L right for you?
Buy this oil pan if you're replacing a damaged unit on a 4.3L V6 GM van or truck. Ideal for intermediate DIYers with basic mechanical tools. Ensure you purchase a gasket and mounting hardware separately. Alternatives include OEM steel pans or used units, but aluminum offers better longevity.
How it compares: Compared to steel OEM pans, this aluminum sump resists rust and runs cooler. It lacks integrated oil cooler fittings found on some performance models but offers better fitment than universal pans.
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What vehicles fit the Labwork Oil Pan Sump?
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It fits Chevrolet Express 1500/2500, GMC Savana, S10, Sonoma, Astro, Blazer, and Workhorse Fastrack models with 4.3L V6 engines from 1996 to 2007. Always verify engine size and pan configuration before installation.
Does the oil pan include a gasket?
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No, a gasket or seal is not included. You’ll need to purchase a compatible oil pan gasket separately to ensure a proper, leak-free seal during installation.
How is the aluminum material beneficial?
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Aluminum provides better heat dissipation than steel, reducing engine oil temperatures. It’s also lightweight and resistant to rust, making it ideal for long-term reliability in harsh environments.
Is the windage tray included?
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Yes, the oil pan comes with an integrated windage tray that reduces oil foaming during high-RPM operation, helping maintain consistent oil pressure and engine lubrication.
Can I use this pan for high-performance builds?
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It’s designed for stock applications. While durable, it lacks features like deep sumps or oil cooler fittings needed for high-performance or racing engines. Best suited for standard replacements.
How much does Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L cost?
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Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L is $97.35 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L in stock at Lab Work Auto?
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Yes, Labwork Oil Pan Sump for Chevrolet GMC Workhorse Express 1500/2500 V6 4.3L is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-020013