Radiator Price Guide — Competitive Factory-Direct Pricing

Product Overview

The radiator is a critical component in any diesel generator set. It dissipates heat from engine coolant through a network of tubes and fins, using airflow from the fan to maintain safe engine operating temperature. In the demanding world of continuous power generation — whether for mining operations in remote Australia, hospital backup systems in Nigeria, or data center prime power in Singapore — the reliability of the radiator directly determines the reliability of the entire generator system.

Radiator leaks, clogging, and corrosion are persistent problems in generator applications. In tropical climates and high-altitude sites, undersized radiators cause chronic overheating. Buyers need heavy-duty radiators with adequate cooling capacity.

Huaquan offers transparent, factory-direct pricing on all Radiator models with no hidden markups. Our pricing structure is based on three tiers: OEM original (premium tier), ISO-certified aftermarket (value tier), and economy replacement (budget tier). This three-tier approach allows customers to balance quality requirements with budget constraints. Volume discounts start at 10 units, with significant price breaks at 50, 100, and 500+ unit quantities.

Huaquan supplies heavy-duty copper-core and aluminum radiators rated for continuous generator operation. Our radiators feature reinforced headers, high-density fin cores, and are pressure-tested to 1.5x working pressure before shipment.

Key product features at a glance:

– Available for 20+ diesel engine brands (Cummins, Perkins, Volvo Penta, MTU, Doosan, Deutz, Weichai, Yuchai, Shangchai, and more)
– OEM original and ISO-certified aftermarket options
– 100% pressure-tested and functionally verified before shipment
– 12-month warranty against manufacturing defects
– 24-hour dispatch for in-stock items
– Technical support and cross-reference assistance available

Technical Specifications

Model	Application	Cooling Capacity	Compatible Engine
120 kW Radiator — 6105 Series	80–150 kW Generator Sets	120 kW Thermal Rating	6105AZLD / 6105IZLD Series
R4105 Series Radiator	30–50 kW Generator Sets	50 kW Thermal Rating	R4105 Series
K4100D Radiator	20–40 kW Diesel Engines	40 kW Thermal Rating	K4100D / K4100ZD Series
6113 Diesel Generator Set Radiator	120–200 kW Generator Sets	150–200 kW Thermal Rating	6113ZLD Series
WP4D66E200 Weichai Radiator	50–80 kW Generator Sets	66 kW Thermal Rating	Weichai WP4 Series
WP4D100E200 Weichai Radiator	80–120 kW Generator Sets	100 kW Thermal Rating	Weichai WP4D Series

Note: The above represents our most commonly stocked models. If your specific radiator model is not listed, please contact us with your engine model and part number — our sourcing team can typically locate any specification within 2–3 working days.

OEM vs Aftermarket Options

Choosing between OEM original and aftermarket radiator is one of the most important procurement decisions for generator fleet operators and parts distributors. Each option has distinct advantages depending on your application, budget, and operational requirements. Understanding these trade-offs helps you make the right choice for your specific situation.

OEM Original Radiator

Advantages:

– Perfect fit and finish: Manufactured to the engine maker’s exact drawings and material specifications. No adaptation or modification required — bolt-on replacement guaranteed.
– Full manufacturer warranty: Typically 12–24 months, backed by the engine manufacturer’s global warranty network. For critical applications (hospitals, data centers), this warranty coverage can be essential for compliance and insurance purposes.
– Proven performance history: OEM parts have millions of operating hours of field validation across diverse operating conditions. The performance characteristics — flow rates, pressure curves, duty cycles — are fully documented and predictable.
– Resale value preservation: Equipment maintained with OEM parts retains higher resale value and is easier to sell. Many generator rental companies and dealers specifically require OEM maintenance for units under lease or warranty.

Limitations:

– Higher cost: OEM Radiator typically cost 2–4× the price of equivalent aftermarket units. For fleet operators maintaining 20+ generator sets, this premium can represent USD 5,000–20,000+ annually.
– Longer lead times: OEM parts often ship from centralized regional warehouses. For operators in Africa, South America, or remote Asia-Pacific locations, lead times of 4–8 weeks are common for non-stock items.
– Limited availability: Older or discontinued engine models may have limited or no OEM parts support. After 10–15 years, many manufacturers reduce or end parts production for legacy series.

Price comparison across OEM vs aftermarket Radiator options reveals significant savings potential. Genuine OEM Radiator from brand dealers typically cost 2–4x our factory-direct aftermarket equivalents, while delivering identical performance specifications. Our value-tier aftermarket Radiator use the same grade materials and manufacturing processes as OEM, with the cost difference coming from eliminated brand premiums and streamlined distribution. For budget-conscious fleets, our economy tier provides reliable performance at 40–60% below OEM pricing.

Aftermarket Radiator

Advantages:

– Significant cost savings: High-quality aftermarket Radiator deliver 40–60% savings versus OEM pricing while meeting or exceeding original performance specifications.
– Broader availability: Aftermarket manufacturers often continue producing parts for legacy engines long after OEM support ends. This is critical for operators of 15+ year-old generator fleets.
– Faster delivery: Huaquan stocks aftermarket Radiator for immediate dispatch. For urgent replacements that cannot wait 4–8 weeks, aftermarket availability prevents costly generator downtime.
– Customization options: Bulk buyers can specify material upgrades, coating enhancements, or packaging modifications that OEM channels cannot accommodate.

Limitations:

– Quality variability: The aftermarket includes everything from premium ISO-certified manufacturers to unknown low-cost producers. Working with a trusted supplier like Huaquan ensures you receive only premium-grade aftermarket products with full traceability.
– Warranty considerations: Some generator warranties require OEM parts during the warranty period. However, consumer protection laws in many jurisdictions (Magnuson-Moss Act in the US, similar legislation in EU/Australia) prevent manufacturers from voiding warranties solely for using non-OEM parts.

Making the Right Choice

Huaquan supplies both OEM and aftermarket Radiator, allowing you to choose the right option for each application. Many of our customers use a mixed strategy: OEM for critical standby generators and high-quality aftermarket for less critical units, optimizing both reliability and budget.

Compatible Generator Brands

Our Radiator inventory covers the following diesel engine brands and series:

Don’t see your engine brand? Contact us — our procurement network extends to 30+ engine manufacturers, and we can source parts for most diesel generator configurations.

Why Choose Huaquan

Huaquan’s pricing advantage comes from direct factory relationships and bulk procurement. By sourcing from manufacturers within 200 km of our warehouse, we eliminate multi-tier distributor markups and pass savings directly to international buyers. Our transparent pricing model includes FOB Qingdao/Shanghai rates, with CFR and CIF quotations available for all major international ports. Request a formal quotation and receive detailed pricing — including unit price, packing cost, and estimated freight — within 24 hours.

Huaquan at a glance:

Application Scenarios

Huaquan Radiator are used in generator sets across diverse industries and environments:

Frequently Asked Questions

Q1: What is the price range for Radiator?

Our radiators range from USD 120–250 for compact units (K4100/R4105 series), USD 300–600 for mid-range units (6105 series), to USD 700–1,800 for large industrial radiators (6113/Weichai WP4D series). OEM original radiators are 15–25% below dealer list prices. OEM original units from brand dealers typically cost 2–4x more. Contact us with your specific model and quantity requirements for an exact quotation.

Q2: Do you offer volume discounts on Radiator?

Yes. Our volume discount structure: 10–49 units: standard wholesale price; 50–99 units: 5–8% discount; 100–499 units: 10–15% discount; 500+ units: negotiated pricing with dedicated production runs. Contact us for your quantity tier quotation.

Q3: What does your FOB price include?

Our FOB (Qingdao/Shanghai) price includes: unit cost, standard export packaging (plywood case or heavy-duty carton), China customs clearance, and loading onto vessel. It excludes: ocean freight, insurance, and destination port charges. We can also quote CFR and CIF upon request.

Q4: How do your prices compare to authorized dealer pricing?

Our aftermarket Radiator are typically 40–60% below authorized dealer pricing for OEM-equivalent quality. Even our premium OEM-original units are priced 15–25% below dealer list prices due to our direct factory procurement model and lower overhead costs.

Q5: Are there any hidden costs in your pricing?

No. Our quotations are transparent and all-inclusive. Each quotation clearly itemizes: unit price, packaging cost, inland transportation (if applicable), and estimated international freight. The only variable is final freight cost, which depends on fuel surcharges and peak-season adjustments at the time of booking.

Q6: Can you hold prices for long-term supply agreements?

Yes. For annual supply agreements with quarterly or monthly shipments, we can fix prices for 6–12 months. Price adjustments thereafter are based on raw material index fluctuations (primarily cast iron and alloy steel), with a maximum adjustment cap of 8% per annum.

Q7: What is your price match policy?

Huaquan offers competitive price matching for like-quality Radiator. If you receive a lower quotation from a verified supplier for equivalent specification and quality, we will match or beat that price. We do not match prices against suppliers of unknown or uncertified quality.

Q8: What payment currency do you accept?

We quote and accept payment in USD (United States Dollar) as standard. EUR (Euro) and CNY (Chinese Yuan) are also accepted. For regular wholesale partners, we can accommodate local currency payments through our international banking partners.

Get a Quote

Want a Radiator price list? Contact Huaquan for FOB, CFR, or CIF quotations. Include your required quantity and destination port for an accurate delivery estimate.

Contact Information:

– Email: lb@hqdl.cn
– Website: accessories.huaquanpower.net
– WhatsApp/WeChat: Available upon email request
– Office Hours: Monday–Saturday, 08:00–18:00 (UTC+8)

What to include in your inquiry:

1. Generator brand, model, and power rating (kW/kVA)
2. Radiator part number (if known)
3. Required quantity and preferred quality tier (OEM / Premium Aftermarket / Economy)
4. Destination port or airport
5. Your company name and country

Our team responds to all inquiries within 4 business hours and provides formal quotations within 24 hours.

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*Huaquan Power — Your Trusted Partner for Diesel Generator Spare Parts Since 2005*

Radiator Price — OEM & Aftermarket for Diesel Generators | Huaquan