I used this AUCERAMIC M295HV timing chain and oil pump kit on my Chevy Silverado 5.3, and it worked out great for a full front-end reseal and timing refresh. Everything came well packaged and organized, which made it easier to keep track of parts during the install. The timing components lined up correctly and installed without any fitment issues. The oil pump and cover gasket included in the kit saved me from having to source multiple parts separately, which was a big time saver during the rebuild. After installation, oil pressure came up strong and the engine runs smooth and quiet again. No leaks from the timing cover so far, and everything has stayed stable through driving and idle. For a budget-friendly complete kit, this one gets the job done and has held up well on my truck. Definitely a good option for anyone doing a timing job on a GM 4.8/5.3/6.0.
High Volume Oil Pump Kit 12557840 Fit for 1999-2012 Chevy Silverado 1500 Tahoe Suburban 4.8L 5.3L 6.0L V8
Precio habitual
$79.90
Designed for a Precise Fit
Engineered to match OE specifications for reliable replacement.
| Year | Make | Model | Engine Specs |
|---|---|---|---|
| 2000 | Chevrolet | Silverado 2500 | 5.3L V8 |
| 2000-2004 | Chevrolet | Silverado 2500 | 6.0L V8 |
| 2002 | Chevrolet | Silverado 2500 | 6.0L V8 Bi-Fuel |
| 2002 | Chevrolet | Silverado 2500 | 6.0L V8 CNG |
| 2001-2009 | Chevrolet | Silverado 2500 HD | 6.0L V8 |
| 2002 | Chevrolet | Silverado 2500 HD | 6.0L V8 Bi-Fuel |
| 2002-2005 | Chevrolet | Silverado 2500 HD | 6.0L V8 CNG |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 6.0L V8 |
| 2002-2006 | Chevrolet | Silverado 3500 | 6.0L V8 |
| 2003-2005 | Chevrolet | Silverado 3500 | 6.0L V8 CNG |
| 2007-2016 | Chevrolet | Silverado 3500 HD | 6.0L V8 |
| 2014-2016 | Chevrolet | Silverado 3500 HD | 6.0L V8 Flex Fuel |
| 2016 | Chevrolet | Silverado 3500 HD | 6.0L V8 CNG |
| 2003-2007 | Chevrolet | Express 1500 | 5.3L V8 |
| 2007-2012 | Chevrolet | Express 1500 | 5.3L V8 Flex Fuel |
| 2003-2009 | Chevrolet | Express 2500 | 4.8L V8 |
| 2003-2005 | Chevrolet | Express 2500 | 5.3L V8 |
| 2003-2007 | Hummer | H2 | 6.0L V8 |
| 2008-2010 | Hummer | H3 | 5.3L V8 |
| 2010 | Hummer | H3 | 5.3L V8 Flex Fuel |
| 2009-2010 | Hummer | H3T | 5.3L V8 |
| 2003-2004 | Isuzu | Ascender | 5.3L V8 |
| 1998-2002 | Pontiac | Firebird | 5.7L V8 |
| 2004 | Pontiac | GTO | 5.7L V8 |
| 2005-2006 | Pontiac | GTO | 6.0L V8 |
| 2000-2009 | GMC | Yukon | 4.8L V8 |
| 2000-2010 | GMC | Yukon | 5.3L V8 |
| 2002-2006 | GMC | Yukon | 6.0L V8 |
| 2005-2012 | GMC | Yukon | 5.3L V8 Flex Fuel |
| 2000-2009 | GMC | Yukon XL 1500 | 5.3L V8 |
| 2002-2006 | GMC | Yukon XL 1500 | 6.0L V8 |
| 2003-2012 | GMC | Yukon XL 1500 | 5.3L V8 Flex Fuel |
| 2000-2009 | GMC | Yukon XL 2500 | 6.0L V8 |
| 2010-2011 | GMC | Yukon XL 2500 | 6.0L V8 Flex Fuel |
| 2004 | GMC | Envoy XUV | 5.3L V8 |
| 2009-2012 | GMC | Canyon | 5.3L V8 |
| 1999-2009 | GMC | Sierra 1500 | 4.8L V8 |
| 1999-2009 | GMC | Sierra 1500 | 5.3L V8 |
| 2002-2012 | GMC | Sierra 1500 | 5.3L V8 Flex Fuel |
| 2001-2006 | GMC | Sierra 1500 | 6.0L V8 |
| 2010-2012 | GMC | Sierra 1500 | 4.8L V8 Flex Fuel |
| 2001-2006 | GMC | Sierra 1500 HD | 6.0L V8 |
| 2007 | GMC | Sierra 1500 Classic | 4.8L V8 |
| 2007 | GMC | Sierra 1500 Classic | 5.3L V8 |
| 2007 | GMC | Sierra 1500 Classic | 5.3L V8 Flex Fuel |
| 2007 | GMC | Sierra 1500 Classic | 6.0L V8 |
| 2007 | GMC | Sierra 1500 HD Classic | 6.0L V8 |
| 1999 | GMC | Sierra 2500 | 5.3L V8 |
| 1999-2003 | GMC | Sierra 2500 | 6.0L V8 |
| 2002 | GMC | Sierra 2500 | 6.0L V8 Bi-Fuel |
| 2002 | GMC | Sierra 2500 | 6.0L V8 CNG |
| 2002-2007 | GMC | Sierra 2500 HD | 6.0L V8 |
| 2002 | GMC | Sierra 2500 HD | 6.0L V8 Bi-Fuel |
| 2002-2005 | GMC | Sierra 2500 HD | 6.0L V8 CNG |
| 2007 | GMC | Sierra 2500 HD Classic | 6.0L V8 |
| 2003-2006 | GMC | Sierra 3500 | 6.0L V8 |
| 2003 | GMC | Sierra 3500 | 6.0L V8 CNG |
| 2010 | GMC | Sierra 3500 HD | 6.0L V8 |
| 2010 | GMC | Sierra 3500 HD | 6.0L V8 Flex Fuel |
| 2003-2007 | GMC | Savana 1500 | 5.3L V8 |
| 2007-2012 | GMC | Savana 1500 | 5.3L V8 Flex Fuel |
| 2003-2009 | GMC | Savana 2500 | 4.8L V8 |
| 2003-2005 | GMC | Savana 2500 | 5.3L V8 |
| 2003-2009 | GMC | Savana 2500 | 6.0L V8 |
| 2003-2005 | GMC | Savana 2500 | 6.0L V8 CNG |
| 2010-2015 | GMC | Savana 2500 | 4.8L V8 Flex Fuel |
| 2010-2011 | GMC | Savana 2500 | 6.0L V8 Flex Fuel |
| 2006-2009 | GMC | Savana 3500 | 4.8L V8 |
| 2006-2008 | GMC | Savana 3500 | 6.0L V8 |
| 2010-2016 | GMC | Savana 3500 | 4.8L V8 Flex Fuel |
| 2010-2011 | GMC | Savana 3500 | 6.0L V8 Flex Fuel |
| 2009 | GMC | Savana 4500 | 6.0L V8 |
| 2013-2015 | GMC | Savana 4500 | 6.0L V8 Flex Fuel |
| 2013-2015 | GMC | Savana 4500 | 6.0L V8 CNG |
| 2004-2007 | GMC | W3500 Forward | 6.0L V8 |
| 2003-2008 | GMC | W4500 Forward | 6.0L V8 |
This High Volume Oil Pump and Timing Chain Kit is designed for compatible GM LS-series V8 engines. It helps restore proper oil circulation, maintain stable oil pressure, and ensure accurate engine timing operation by replacing worn or damaged oil pump and timing components.
Featuring a high volume and high pressure oil pump design, this kit provides reliable lubrication performance for 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L V8 engines. Manufactured with durable materials and precision-engineered components, it offers a complete replacement solution for engine oil pump and timing system service.
Product Features
High Volume & High Pressure Oil Pump
Designed to increase oil flow and maintain stable oil pressure, helping improve engine lubrication and protect internal engine components during operation.
Complete Timing System Kit
Includes essential timing components such as timing chain, camshaft gear, crankshaft sprocket, and timing cover gasket set for a complete repair solution.
OE-Style Direct Replacement
Designed to replace original oil pump and timing components with matching reference numbers for proper fitment and reliable installation.
Durable Construction
Manufactured using high-quality materials to provide excellent wear resistance, heat resistance, and long-term durability under demanding engine conditions.
Wide Engine Compatibility
Compatible with GM LS-series engines including LS1, LS2, LS3, LQ4, LM7, L96, and LR4 applications.
OE / Reference Numbers OE
OE / Replacement Numbers
12557840
12696357
12586665
Reference Number
TCS45993
Package Includes
1 × High Volume Oil Pump
1 × Timing Chain (60 Link)
1 × 3-Bolt Camshaft Gear (44 Teeth)
1 × Crankshaft Sprocket (22 Teeth)
1 × Timing Cover Gasket Set
Important Notes
Please verify your vehicle year, make, model, engine code, and part number before purchase to ensure compatibility.
This kit is designed for compatible GM LS-series V8 engines. Professional installation is recommended for proper installation and engine performance.
Warranty
AUCERAMIC provides reliable product support. If you have any questions regarding product quality, installation, or compatibility, please contact our customer service team. We will provide assistance and help resolve your concerns.
⏱ Estimated Delivery Time
Delivery times vary by location:
- USA: 3-7 business days
- Canada & Europe: 7-18 business days
- Australia & New Zealand: 10-20 business days
- Other regions: 15-45 business days
Delivery times may vary due to carrier delays, customs clearance, or local delivery conditions.
🚚 Shipping Information
Processing Time:
Orders are usually processed within 1-2 business days after payment confirmation.
Shipping Method:
- USA orders: For eligible US orders, products are fulfilled from our US warehouse network and shipped via USPS, UPS, or FedEx.
- International orders: Shipped via reliable international carriers
Tracking:
A tracking number will be emailed after shipment. You can track your order through carriers such as USPS, UPS, FedEx, DHL, or 17TRACK.
📦 Order Issues
If your package arrives damaged, incorrect, missing items, or significantly delayed:
Please contact us with:
- Order number
- Photos/videos of the package and product
- Description of the issue
Our team will review and provide a solution as quickly as possible.
🔄 Returns & Warranty
We accept returns within 30 days after delivery.
To be eligible for a return:
- Item must be unused, uninstalled, and in original condition
- Must include original packaging and all accessories
⚠️ Installed, used, or tested parts are not eligible for return unless there is a confirmed manufacturing defect.
For return requests, please contact us first with your order number, product details, and photos (if applicable).
Warranty Coverage:
✔ Manufacturing defects
✔ Shipping damage
Not covered:
✘ Improper installation
✘ Misuse or modification
✘ Incorrect vehicle application
💬 Fitment Support
Not sure if this part fits your vehicle?
Send us your year, make, model, engine size, and VIN (if available). Our team will help confirm compatibility before purchase.