Product Description
Direct-fit reman CP3 for 2004.5-2005 GM 6.6L LLY Duramax. Industrial Injection builds these units with brand-new Bosch OEM internals and a new fuel control actuator (FCA) to meet or exceed OE specs. Backed by an Industrial Injection warranty. Core charge may apply.
Fitment
- 2004.5-2005 Chevrolet Silverado/Sierra 2500HD/3500HD - 6.6L LLY Duramax
- Replaces stock CP3 for LLY (Bosch cross: 0986437308 / 0445020030)
Why Buy From CPP Diesel
- LLY specialists: we stock injectors, lines, filter kits, and install hardware in one place
- Fast shipping & hassle-free core returns
- Real technical support from diesel pros
What's Included
- Remanufactured stock CP3 injection pump (Industrial Injection P/N 0986437308SE-IIS)
- New Bosch FCA (fuel metering valve) installed
- O-ring/seal as supplied by manufacturer
- Core return instructions (core charge applies; refundable upon acceptable core return)
Recommended Parts (Internal Links)
- Industrial Injection CP3 ‘Dragon Fire 85' (LLY) - Performance Upgrade
- Industrial Injection CP3 ‘Double Dragon 120' (LLY) - Performance Upgrade
- LLY Fuel Filter & Install Hardware (shop CPP Diesel)
- LLY Injector Line Set & Return Line Kit
Cross-Reference / Alternatives
- Bosch Reman CP3 for LLY - 0986437308 / 0445020030 (reference)
- Industrial Injection Modified 42% CP3 (LLY)
- Industrial Injection Double Dragon 120 CP3 (LLY)
Helpful Notes
- Prime and bleed the fuel system per GM service procedures after installation.
- Inspect/replace the fuel filter and check supply pressure to protect the new pump.
- LLY uses a CP3 pump (not CP4); confirm VIN 8th digit “2 for LLY.
FAQ
Is tuning required after installing this stock CP3?No. This is a stock-flow replacement for LLY and does not require tuning. Perform idle relearn if needed.
Does this pump include a new FCA (MPROP)?Yes - Industrial Injection builds these with a new Bosch fuel metering valve (FCA).
What is the core policy?A refundable core charge applies and is credited upon acceptable core return within the stated window.
Will this fit LB7 or LBZ engines?No. This listing is specific to LLY (2004.5-2005). See CPP Diesel for the correct part for your engine family.
Specifications for INDUSTRIAL INJECTION 0986437308SE-IIS REMAN CP3 INJECTION PUMP - 2004.5-2005 GM 6.6L LLY DURAMAX (STOCK REPLACEMENT)
| Brand | Industrial Injection |
| Part Number | 0986437308SE-IIS |
| GTIN | 00047024236394 |
| UPC | 047024236394 |
| Engine Compatibility | 2004.5-2005 GM Chevrolet/GMC 6.6 L LLY Duramax (LBZ/others NOT included) |
| Configuration / Description | Remanufactured stock-flow CP3 injection pump. Built with brand-new Bosch OEM internals & a new Bosch fuel metering valve (FCA). Drop-in replacement. Exceeds OEM specs. :contentReference[oaicite:1]{index=1} |
| Core Charge | $300.00 refundable core (unless otherwise specified) :contentReference[oaicite:2]{index=2} |
| Country of Origin | Not specified |
| Shipping Method | Ground shipping (free ground in lower 48 for most orders) :contentReference[oaicite:3]{index=3} |
| Shipping Weight | ~19.0 lb (Package: W11″ × H9″ × L14″) :contentReference[oaicite:4]{index=4} |
| Package Dimensions | Approx. 11″ × 9″ × 14″ :contentReference[oaicite:5]{index=5} |
| Warranty | 2-Year Unlimited Mileage Warranty (built with Bosch OEM internals) :contentReference[oaicite:6]{index=6} |
| Prop 65 Warning | This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
