1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 9910221106027563
  3. 97380130

97380130 Lly Lbz Lmm Duramax Rocker Arm Bridge 6.6L LB7 12638258

fits model: Lml. year: 2001–2016.

12638258 General Motors 97380130 2001-2016 6.6l Lb7 Lly Lbz Lmm Lml Duramax Rocker Arm Bridge

( Brand: General Motors ), ( Manufacturer Part Number: 97380130 ), ( Type: Rocker Arm Bridge ), ( Oe/oem Part Number: 12638258 )

Review GENERAL MOTORS 6.6l Lb7 Lly Lbz Lmm Duramax Rocker Arm Bridge fits LML 2001–2016

High-Quality General Motors 6.6L LB7/LBZ/LMM/LML Duramax Rocker Arm Bridge (Part Number: 12638258)

Experience the unparalleled durability and precision of the General Motors 6.6L LB7/LBZ/LMM/LML Duramax Rocker Arm Bridge (Part Number: 12638258). This essential component is a crucial part of the engine's valvetrain system, designed to withstand the rigors of daily driving and heavy-duty applications.

Manufactured between 2001 and 2016, this rocker arm bridge is a perfect fit for your GM 6.6L Duramax engine (models LB7, LBZ, LMM, and LML). Its robust design ensures a secure connection between the rocker arms and the pushrods, facilitating the smooth operation of the engine's intake and exhaust valves.

The rocker arm bridge is engineered with high-strength materials to endure the extreme pressures and temperatures generated by the engine. Its precise fit and finish guarantee optimal performance, minimizing wear and tear on other engine components.

Whether you're a professional mechanic or a dedicated DIY enthusiast, this General Motors 6.6L Duramax Rocker Arm Bridge offers the durability, reliability, and performance you expect from a genuine GM part. Replace your worn or damaged bridge today, and restore your engine's smooth and powerful operation.

Upgrade your engine with this superior-quality rocker arm bridge and enjoy peace of mind knowing that you've selected a component designed to meet the highest standards of quality and performance. Order the General Motors 6.6L LB7/LBZ/LMM/LML Duramax Rocker Arm Bridge (Part Number: 12638258) today!

Analysis of Buying a Rocker Arm Bridge (12638258) for 6.6L Duramax Engines (LB7, LBZ, LMM, LML)

Pros:

1. Replacement: This rocker arm bridge is a replacement part for the 6.6L Duramax engines, which are known for their durability and reliability. If your vehicle is experiencing issues with the rocker arm bridge, this part can help restore the engine's performance.

2. Availability: The part number 12638258 is widely available from various automotive parts suppliers, making it easy to find and purchase.

3. Fitment: This part is designed to fit multiple Duramax engine models (LB7, LBZ, LMM, LML), increasing its versatility and reducing the need for multiple parts for different engine variants.

Cons:

1. Quality Variations: Due to the aftermarket nature of this part, there might be variations in quality among different manufacturers. It is essential to research and choose a reputable supplier to ensure you get a high-quality part.

2. Installation Complexity: Installing a rocker arm bridge can be a complex task, especially for those without experience in engine repairs. Professional installation is recommended to avoid causing further damage to the engine.

3. Cost: Aftermarket parts, while generally more affordable than OEM parts, can still be costly, especially when considering labor costs for installation.

Conclusion:

Purchasing a rocker arm bridge (12638258) for your 6.6L Duramax engine (LB7, LBZ, LMM, LML) can help restore engine performance if it's experiencing issues. However, it's crucial to consider the potential variations in quality among different manufacturers, the complexity of installation, and the associated costs. To ensure a successful repair, research and choose a reputable supplier, and consider professional installation if you lack experience in engine repairs.

Recommendation:

If you're confident in your mechanical skills and have the necessary tools, purchasing this aftermarket rocker arm bridge can be a cost-effective solution for restoring your Duramax engine's performance. However, if you're unsure about the installation process, it's recommended to seek professional help to avoid potential complications. Always ensure you're buying from a reliable supplier to guarantee a high-quality part.

Details:

This is a full set of 16 bridges. 2001 2016 6.6L LB7 LLY LBZ LMM LML Duramax Rocker Arm Bridge 12638258 97380130.

part #: 97380130 prices

  • $11.00-$26.25

specifications cylinderheapar:

  • for models: Lml
  • for years: 2001-2016
  • brand: General Motors
  • mpn: 97380130
  • type: Rocker Arm Bridge
  • oe/oem part number: 12638258

seller cylinderheapar:

  • # reviews: 245
  • city: New Holstein, Wisconsin
  • rating: 98.5%

payments cylinderheapar:

  • wallet: Google-pay
  • other
  • credit card: Mastercard
  • money order
  • cash

returns cylinderheapar:

  • policy: No Returns

offer cylinderheapar:

  • started: July 10, 2025
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • quantity: 2

general cylinderheapar:

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

shipping cylinderheapar:

  • cost: $0.00
  • carrier: UPS
  • class: Standard
  • service: UPS Ground
  • type: Calculated
  • transit: 4-9 Days
for models: lml, for years: 2001-2016, type: rocker arm bridge, oe/oem part number: 12638258,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 9910221106027563,
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5 offers $11.00–$26.25 USD
  • Used. Offer #1 priced at $14.95 + $0.00 shipping estimate = $14.95* total. 2001-2010 Chevy/GMC Duramax Diesel 6.6 LB7 LLY LBZ LMM ROCKER ARM BRIDGE.FREE SHIPPING
  • Used. Offer #2 priced at $11.00 + $8.29 shipping estimate = $19.29* total. The manufacturer offers a 30-day warranty, and the product is made with OEM features, making it a reliable and high-quality component for engine maintenance and repair. The product is a Chevrolet ROCKER ARM BRIDGE specifically designed for 2001-2010 Chevy/GMC Duramax Diesel 6.6 engines.+$8.29 shipping
  • Used. Offer #3 priced at $26.25 + $10.00 shipping estimate = $36.25* total. Semi # 7 ROEBLING 10/14/25 duramax # 145xx.+$10.00 shipping
  • Used. Offer #4 priced at $26.98 + $16.45 shipping estimate = $43.43* total. Therefore, they will have marks, scratches, and grime High quality images have been uploaded to assist you in verifying fitment and condition Sold as is! These rocker arm bridges will fit many Duramax engines.+$16.45 shipping
  • Used. Offer #5 priced at $9.99 + $5.00 shipping estimate = $14.99* total. 2001-2010 Chevy/GMC Duramax Diesel 6.6 LB7 LLY LBZ LMM ROCKER ARM BRIDGE Good condition Any questions please message me.+$5.00 shipping

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