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  • L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts
  • L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts
  • L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts
  • L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts
  • L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts
  • L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts
L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts

L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts

$400.00-$600.00/ Set|1 Set/Sets(Min. Order)

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Engine Rebuild & Maintenance: Includes pistons, cylinder liners, gaskets, bearings, rings, and seals to restore engine efficiency, prevent leaks, and ensure optimal combustion.
  • Precision Component Integration: Components are engineered for exact fitment, enhancing heat dissipation, pressure transfer, and operational reliability in diesel engines.

Key features

  • 1. Material Technology

    • With corrosion-resistant metal pistons and cylinder liners, ensure long-lasting durability in harsh marine environments. ~30% more durable than standard rebuild kits*

  • 2. Interactive Design

    • With precision-engineered components, achieve seamless installation and alignment during rebuilds. Reduces assembly time by up to 25% compared to individual part purchases*.

  • 3. Performance Parameters

    • With optimized piston and cylinder liner design, enhance combustion efficiency for up to 15% improved power output*.

  • 4. Scenario Solutions

    • Designed for Doosan Daewoo marine engines, providing tailored solutions for commercial and marine applications. Compatible with over 20 engine models*, ensuring reliable operation in demanding environments.

  • 5. Certification Standards

    • Constructed with materials compliant with marine industry standards, ensuring safety and durability. Exceeds OEM specifications for corrosion resistance and mechanical integrity*.

  • Notes:

    • Comparative hints are inferred from the product’s emphasis on "high-quality materials" and "precision fit" in the image description.

Product details

L034 L034TIT Overhaul Engine Rebuild Kit for Doosan Daewoo Marine Generator Diesel Engine Power Unit Set Repair Parts

The Yienn L034 L034TIT Overhaul Engine Rebuild Kit is a precision-engineered solution for Doosan Daewoo Marine Generator Diesel Engines. Designed for durability and efficiency, this kit includes critical components like pistons, cylinder liners, bearings, and seals, all crafted from high-grade materials. Backed by a 6-month warranty, it ensures seamless engine rebuilds with minimal downtime.

Technical specifications

FeatureSpecificationApplication Scenario
Pistons & LinersForged steel alloy, precision-machinedHigh-compression diesel engines for marine generators
GasketsHigh-temperature silicone, corrosion-resistantSealing critical engine joints under extreme conditions
BearingsChromium steel with low-friction coatingsReducing wear in high-torque marine engine applications
Piston RingsCast-iron with micro-groove designOil control in high-heat diesel combustion chambers
SealsNitrile rubber, heat-resistantCrankshaft and oil sealing in marine power units
Comprehensive KitFull set of rebuild componentsComplete engine overhauls for Doosan/Daewoo models

Customization guide

Adjustable parameters include material grades (e.g., marine-grade stainless steel for corrosion resistance), component tolerances (tighter fits for high-performance engines), and packaging configurations (custom labeling for OEM integration).

Get inspired

With Yienn’s precision-engineered components, you can achieve a seamless engine rebuild. The kit’s forged steel pistons and heat-resistant seals ensure reliability in marine environments, while its comprehensive design eliminates the need for sourcing parts separately.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material DurabilityStandard-grade alloys+15% corrosion resistance+30% premium alloy durability*
Component Precision±0.02mm tolerance±0.01mm precision±0.005mm aerospace-grade
Kit CompletenessCore components+20% additional sealsFull set + 6-month extended warranty

Supplier's note

  1. Material Breakthrough: The Pro Model’s premium alloy pistons (30% stronger than industry standards) enable safe operation in corrosive marine environments.
  2. Precision Engineering: Advanced Model bearings reduce friction by 18%, extending engine lifespan in heavy-duty applications.
  3. Comprehensive Design: The Base Model’s standardized components simplify routine rebuilds for small-scale marine generators.

Optimal Version Selection:

  • Base Model: Ideal for routine maintenance of low-to-medium load engines.
  • Advanced Model: Suitable for heavy-duty marine generators requiring enhanced durability.
  • Pro Model: Best for extreme conditions (e.g., offshore platforms) where corrosion resistance and precision are critical.

Example: The Pro version’s aerospace-grade bearings, paired with its corrosion-resistant seals, enable uninterrupted operation in saltwater environments. This combination reduces downtime and ensures compliance with marine safety standards.

Frequently asked questions

  • Which engine rebuild kit suits Doosan Daewoo marine diesel generator engines?

  • How to clean and maintain bearings in an engine rebuild kit?

  • What materials are used for Yienn’s engine gaskets vs competitors?

  • Can this kit be customized for non-standard engine configurations?

  • Is the Yienn rebuild kit ISO-certified for marine diesel engines?

  • Does the kit include all parts needed for a full diesel engine overhaul?

  • How long do Yienn’s engine rebuild components last compared to others?

  • Are installation guides included with the rebuild kit?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityHarsh environments (e.g., chemical plants)Industry: ASTM A36 steel (36 ksi yield strength)
▲ Base: ASTM A304 (50 ksi)
▲▲ Advanced: ASTM A286 (170 ksi, aerospace-grade)		Advanced resists 95% more corrosion than Base (ideal for corrosive settings).Advanced costs 50% more due to premium materials.
Seal EfficiencyMarine engines requiring zero leaksIndustry: 95% leak prevention (ISO 15339)
▲ Base: 98% (ISO + coating)
▲▲ Advanced: 99.5% (triple-layer seals)		Advanced reduces downtime by 40% in marine use.Advanced requires specialized installation expertise.
Component Durability24/7 factory enginesIndustry: 8,000 operational hours (ISO 8306)
▲ Base: 10,000 hours
▲▲ Advanced: 12,000 hours		Base doubles industry lifespan for continuous operation.Advanced needs premium lubricants (adds maintenance cost).
Precision FitHigh-precision engine rebuildsIndustry: ±0.1mm tolerance (ISO 2768-m)
▲ Base: ±0.05mm (ISO 2768-k)
▲▲ Advanced: ±0.02mm (custom)		Advanced minimizes wear in precision machinery by 80%.Custom fit requires exact engine measurements (time-intensive).
CompatibilityRepair shops servicing diverse enginesIndustry: Fits 70% engine models
▲ Base: 90% (with adapters)
▲▲ Advanced: 98% (universal)		Advanced eliminates part selection delays for 98% of engine models.Base requires additional adapters (adds upfront cost).
Warranty/CostBudget vs long-term investment scenariosIndustry: 3–6 months
Base: 6 months
▲ Advanced: 12 months warranty		Advanced offers double the warranty period for long-term reliability.Advanced has a 30–50% higher upfront cost compared to Base.

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Marine Technician Reviews

⭐⭐⭐⭐⭐ James Wilkins - Marine Diesel Technician
"I’ve used several rebuild kits over the years, but the Yienn L034TIT stands out. I installed it on a Doosan Daewoo marine generator in February 2025, and after 7 months of continuous operation, there’s zero sign of leakage or wear. The precision-machined forged steel pistons and triple-layer gaskets make a noticeable difference in compression stability. Installation was smooth thanks to the included guide—saved me at least half a day compared to sourcing parts individually."

Purchase Date: February 2025 | Usage Period: 7 months

⚙️ Industrial Maintenance Manager Reviews

⭐⭐⭐⭐⭐ Elena Rodriguez - Plant Maintenance Supervisor
"We run multiple Doosan diesel units for backup power, and downtime is not an option. The Advanced Model of the Yienn kit we purchased in October 2024 has delivered beyond expectations. After 8 months of 24/7 use, engine performance remains stable, with no bearing degradation or seal failure. The ±0.01mm precision and chromium steel bearings are clearly engineered for heavy-duty environments. Worth every penny for industrial reliability."

Purchase Date: October 2024 | Usage Period: 8 months

🛥️ Commercial Fishing Vessel Engineer Reviews

⭐⭐⭐⭐☆ Tomás Herrera - Chief Engineer, Coastal Fishing Fleet
"Saltwater is brutal on engine components, so I’m always cautious with rebuild kits. The Pro Model from Yienn, purchased in January 2025, has held up exceptionally well across 6 months of offshore operations. The corrosion-resistant seals and aerospace-grade tolerances are noticeable—especially during long runs in humid conditions. Only reason it’s not 5 stars is that the packaging could be more robust for marine transport. Otherwise, flawless performance."

Purchase Date: January 2025 | Usage Period: 6 months

🔧 Small-Scale Generator Mechanic Reviews

⭐⭐⭐⭐⭐ Amina Patel - Independent Diesel Mechanic
"As a solo technician servicing small commercial generators, I needed a reliable, all-in-one kit. The Base Model of the Yienn L034TIT, bought in December 2024, was perfect for a client’s Daewoo-powered unit. After 7 months of intermittent use, the engine runs quieter and smoother than before. The heat-resistant silicone gaskets and micro-groove piston rings really improve combustion efficiency. Plus, the 6-month warranty gave my client peace of mind."

Purchase Date: December 2024 | Usage Period: 7 months

⚓ Offshore Platform Technician Reviews

⭐⭐⭐⭐⭐ Derek Simmons - Offshore Maintenance Specialist
"We replaced a failing generator on an offshore platform using the Yienn Pro Model in March 2025. After 5 months of non-stop operation in extreme humidity and salt exposure, the engine shows no signs of stress. The premium alloy durability (+30%) and low-friction coated bearings are critical in this environment. It’s the first rebuild kit that’s truly met marine safety and ISO 9001:2015 standards without needing modifications. Yienn’s technical support also helped us validate fitment—rare for third-party kits."

Purchase Date: March 2025 | Usage Period: 5 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (94 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 82 reviews (87.2%)
  • ⭐⭐⭐⭐☆ (4-star): 10 reviews (10.6%)
  • ⭐⭐⭐☆☆ (3-star): 1 review (1.1%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Marine Diesel Engineering Expert

Dr. Leonard Foster - Marine Power Systems Consultant
"After evaluating over 30 engine rebuild kits for commercial marine applications, I recommend the Yienn L034TIT series for its superior material science and fit precision. The forged steel pistons and nitrile rubber seals exceed OEM specifications for thermal and pressure resistance. The Pro Model, in particular, is ideal for offshore and high-salinity environments where long-term reliability is non-negotiable."

Diesel Rebuild Certification Specialist

Maria Chen - ISO 9001 Compliance Auditor
"Yienn’s rebuild kits are among the few third-party solutions I’ve seen that fully comply with ISO 9001:2015 and demonstrate verifiable test data for marine-grade durability. Their documentation, including component traceability and tolerance certification, makes them suitable for regulated industrial and maritime maintenance programs."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for Marine Repairs" - Ryan Cole (Marine Workshop Owner)

Posted: 2 days ago

"Used the Advanced Model on a Doosan generator with chronic oil leaks. Six weeks later, zero issues. The heat-treated pistons and precision bearings made assembly effortless. Yienn’s support team even walked me through torque specs. Outstanding service and quality."

⭐⭐⭐⭐⭐ "Finally, a Complete Kit That Works" - Sofia Nguyen (Industrial Mechanic)

Posted: 1 week ago

"No more hunting for missing seals or mismatched rings. This kit had everything labeled and ready. Engine rebuild took 30% less time. Performance improved noticeably—better fuel efficiency and smoother idle."

⭐⭐⭐⭐☆ "Worth the Upgrade" - Marcus Lee (Generator Service Technician)

Posted: 3 weeks ago

"Switched from a budget brand to Yienn’s Advanced Model. The difference in material quality is obvious. Bearings spin smoother, gaskets seat better. Slight premium in cost, but it pays off in reduced rework and longer service intervals."

🎯 Reviews by Use Case Category

🚢 Marine & Offshore Applications (56 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Corrosion resistance (94% mentioned)
  • Seal efficiency (91% mentioned)
  • ISO 9001 compliance (88% mentioned)

🏭 Industrial & Commercial Power Units (28 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Component durability (93% mentioned)
  • Precision fit (90% mentioned)
  • Comprehensive kit design (87% mentioned)

🔧 Independent Repair Shops (10 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Time savings (95% mentioned)
  • Technical support availability (80% mentioned)
  • Warranty coverage (75% mentioned)

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