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Replacement heads for my 3.5 EcoBoost worked perfect. The kit had everything I needed. The customer service was excellent. Highly recommend this company.

— Alan H. Greendale, Sr.
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Great company!! The heads arrived in great shape with all the parts. Very quick email responses to questions, comments, and concerns. One little issue with a few parts but was taken care of promply

— Randy Tinsley
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The experience was excellent. My part came sooner than expected and was exactly as advertised. This is how a business should be run. I would give 6 stars if I could, thank you HDPC

— Taylor Mather
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Best prices and customer service on Duramax LML heads out there. Shipped fast and very cool about how long it took to get the cores back.

— Dan

Remanufactured Pair 4.3 GM Chevrolet Cylinder Heads # 140 / 772 Casting

$695.00

2-Year
Warranty
Unlimited Mileage
Assembled
In USA
Florida-Based Shop
Quality
Tested
Pressure & Vacuum
Flat Rate
$49.99 Ship
No Surprises

-

No Core Charge Required Up Front Return your old head after you receive yours — we send a prepaid label

Out of stock

Additional Info

Remanufactured GM Chevrolet 4.3L Cylinder Heads 140 / 772 Casting Pair

OEM-Quality Replacement For Reliable On-Road Performance

This remanufactured pair of 4.3L GM Chevrolet cylinder heads features precision #140 and #772 castings, engineered to meet or exceed OEM specifications. These heads come fully loaded with valves and springs, providing a direct-fit solution for engine rebuilds and reliable long-term durability.

🛠️ In-House Machining Process

  • Cleaning: Fully disassembled and thermally cleaned.
  • Soda Blasted: Castings are blasted with Sodium Bicarbonate. Because baking soda is water-soluble, there is zero risk of abrasive media clogging oil passages.
  • Pressure Testing: Tested to 60 PSI to ensure no cracks or porosity leaks.
  • Surfacing: All heads are resurfaced on our Rottler S85A for a precision gasket-sealing surface.
  • Valve Job: Multi-angle valve job performed; every port is Vacuum Tested to ensure valves are seated 100% airtight.

📊 Technical Specifications

  • Engine Size: 4.3L
  • Casting Number: 140, 772
  • Condition: Remanufactured
  • Core Return Required

🚛 Fitment Data

Common Applications:

  • Chevrolet Astro: 1996–1999 Chevrolet Astro (4.3L)
  • Chevrolet Blazer S10: 1996–1999 Chevrolet Blazer S10 (4.3L)
  • GMC Jimmy S15: 1996–1999 GMC Jimmy S15 (4.3L)
  • Oldsmobile Bravada: 1996–1999 Oldsmobile Bravada (4.3L)
  • Chevrolet 1500 Pickup: 1996–1998 Chevrolet 1500 Pickup (4.3L)
  • GMC Envoy: 1998–1999 GMC Envoy (4.3L)
  • Chevrolet Express 1500 Van: 1996 Chevrolet Express 1500 Van (4.3L, thru 8500 GVW)
  • Chevrolet Express 1500 Van: 1997–2002 Chevrolet Express 1500 Van (4.3L, 4L60E transmission)
  • Chevrolet Express 2500 Van: 1996 Chevrolet Express 2500 Van (4.3L, thru 8500 GVW)
  • Chevrolet Express 2500 Van: 1997–2002 Chevrolet Express 2500 Van (4.3L, 4L60E transmission)
  • Chevrolet Express 3500 Van: 1996 Chevrolet Express 3500 Van (4.3L, thru 8500 GVW)
  • Chevrolet Express 3500 Van: 1997–2002 Chevrolet Express 3500 Van (4.3L, 4L60E transmission)
  • GMC 1500 Pickup: 1996–1998 GMC 1500 Pickup (4.3L)
  • Isuzu Hombre: 1997–1999 Isuzu Hombre (4.3L)
  • Chevrolet S10: 1996–1999 Chevrolet S10 (4.3L)
  • GMC Sonoma: 1996–1999 GMC Sonoma (4.3L)
  • GMC Safari: 1996–1999 GMC Safari (4.3L)
  • GMC Savana 1500 Van: 1996 GMC Savana 1500 Van (4.3L, thru 8500 GVW)
  • GMC Savana 1500 Van: 1997–2002 GMC Savana 1500 Van (4.3L, 4L60E transmission)
  • GMC Savana 2500 Van: 1996 GMC Savana 2500 Van (4.3L, thru 8500 GVW)
  • GMC Savana 2500 Van: 1997–2002 GMC Savana 2500 Van (4.3L, 4L60E transmission)
  • GMC Savana 3500 Van: 1996 GMC Savana 3500 Van (4.3L, thru 8500 GVW)
  • GMC Savana 3500 Van: 1997–2002 GMC Savana 3500 Van (4.3L, 4L60E transmission)
  • GMC Sierra 1500 Pickup: 1999 GMC Sierra 1500 Pickup (4.3L)
  • Chevrolet Silverado 1500 Pickup: 1999 Chevrolet Silverado 1500 Pickup (4.3L)
[+] Click to View Full Detailed Fitment List
1996 Chevrolet Astro 4.3L
1997 Chevrolet Astro 4.3L
1998 Chevrolet Astro 4.3L
1999 Chevrolet Astro 4.3L
1996 Chevrolet Blazer S10 4.3L
1997 Chevrolet Blazer S10 4.3L
1998 Chevrolet Blazer S10 4.3L
1999 Chevrolet Blazer S10 4.3L
1996 GMC Jimmy S15 4.3L
1997 GMC Jimmy S15 4.3L
1998 GMC Jimmy S15 4.3L
1999 GMC Jimmy S15 4.3L
1996 Oldsmobile Bravada 4.3L
1997 Oldsmobile Bravada 4.3L
1998 Oldsmobile Bravada 4.3L
1999 Oldsmobile Bravada 4.3L
1996 Chevrolet 1500 4.3L
1997 Chevrolet 1500 4.3L
1998 Chevrolet 1500 4.3L
1998 GMC Envoy 4.3L
1999 GMC Envoy 4.3L
1996 Chevrolet Express 1500 Van 4.3L
1997 Chevrolet Express 1500 Van 4.3L
1998 Chevrolet Express 1500 Van 4.3L
1999 Chevrolet Express 1500 Van 4.3L
2000 Chevrolet Express 1500 Van 4.3L
2001 Chevrolet Express 1500 Van 4.3L
2002 Chevrolet Express 1500 Van 4.3L
1996 Chevrolet Express 2500 Van 4.3L
1997 Chevrolet Express 2500 Van 4.3L
1998 Chevrolet Express 2500 Van 4.3L
1999 Chevrolet Express 2500 Van 4.3L
2000 Chevrolet Express 2500 Van 4.3L
2001 Chevrolet Express 2500 Van 4.3L
2002 Chevrolet Express 2500 Van 4.3L
1996 Chevrolet Express 3500 Van 4.3L
1997 Chevrolet Express 3500 Van 4.3L
1998 Chevrolet Express 3500 Van 4.3L
1999 Chevrolet Express 3500 Van 4.3L
2000 Chevrolet Express 3500 Van 4.3L
2001 Chevrolet Express 3500 Van 4.3L
2002 Chevrolet Express 3500 Van 4.3L
1996 GMC 1500 4.3L
1997 GMC 1500 4.3L
1998 GMC 1500 4.3L
1997 Isuzu Hombre 4.3L
1998 Isuzu Hombre 4.3L
1999 Isuzu Hombre 4.3L
1996 Chevrolet S10 4.3L
1997 Chevrolet S10 4.3L
1998 Chevrolet S10 4.3L
1999 Chevrolet S10 4.3L
1996 GMC Sonoma 4.3L
1997 GMC Sonoma 4.3L
1998 GMC Sonoma 4.3L
1999 GMC Sonoma 4.3L
1996 GMC Safari 4.3L
1997 GMC Safari 4.3L
1998 GMC Safari 4.3L
1999 GMC Safari 4.3L
1996 GMC Savana 1500 Van 4.3L
1997 GMC Savana 1500 Van 4.3L
1998 GMC Savana 1500 Van 4.3L
1999 GMC Savana 1500 Van 4.3L
2000 GMC Savana 1500 Van 4.3L
2001 GMC Savana 1500 Van 4.3L
2002 GMC Savana 1500 Van 4.3L
1996 GMC Savana 2500 Van 4.3L
1997 GMC Savana 2500 Van 4.3L
1998 GMC Savana 2500 Van 4.3L
1999 GMC Savana 2500 Van 4.3L
2000 GMC Savana 2500 Van 4.3L
2001 GMC Savana 2500 Van 4.3L
2002 GMC Savana 2500 Van 4.3L
1996 GMC Savana 3500 Van 4.3L
1997 GMC Savana 3500 Van 4.3L
1998 GMC Savana 3500 Van 4.3L
1999 GMC Savana 3500 Van 4.3L
2000 GMC Savana 3500 Van 4.3L
2001 GMC Savana 3500 Van 4.3L
2002 GMC Savana 3500 Van 4.3L
1999 GMC Sierra 1500 4.3L
1999 Chevrolet Silverado 1500 4.3L

📦 Core Return & Warranty

  • Core Process: No upfront core fee. Receive your new heads and compare them to your originals before installation. Once complete, use the pre-paid return label included in your shipment. Cores must be returned within 30 days. Click here for Core Policy.
  • Warranty: Includes a 2-Year Unlimited Mileage Warranty. Click here for Warranty details.

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