Description
6PCS Fuel Injectors 293-4071 / 2934071 / 10R-7221 – Compatible with Caterpillar C9 Engine | Fits D6R Bulldozer
6PCS Fuel Injectors 293-4071 / 10R-7221 – Complete Set for Caterpillar C9 Engine & D6R Bulldozer
Premium Aftermarket Replacement Solution
Ensure optimal performance for your CAT C9 engine with this complete 6-piece injector set, specially designed for D6R bulldozers and compatible with multiple part numbers.
✔ Complete Part Coverage – Replaces:
293-4071, 2934071, 10R-7221, 10R7221 (all variants)
✔ OEM-Spec Performance – Matches factory flow rates (±1.5%)
✔ Heavy-Duty Construction – 30,000 PSI pressure rated
✔ Precision Engineering – 7-hole nozzle design for optimal combustion
⚙️ Technical Specifications
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Pressure Rating: 30,000 PSI
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Nozzle Type: 7-hole mini-SAC
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Flow Rate: 450 cc/min @ 5,000 PSI
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Temperature Range: -40°C to 150°C
🚜 Application Guide
🌐 Purchase Options
🛒 TG Auto Parts – Full product details
✈️ AliExpress – Fast shipping available
🏭 Alibaba – Bulk order discounts
🔧 Maintenance Indicators
Replace when experiencing:
• Hard starting • Reduced power • Excessive smoke • Increased fuel consumption
Why Choose Our Injectors?
✔ 24-Month Equipment Warranty
✔ 100% Pressure & Flow Tested
✔ 40% Savings vs CAT OEM
✔ Includes Installation Guide
⚠️ Professional Tip:
For D6R bulldozers:
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Always replace injectors as a complete set
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Clean fuel rails thoroughly
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Use new sealing washers
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Reset ECM after replacement
Restore your CAT equipment to peak performance today!
Warranty
Tianguan provides a 1-year limited warranty for new starters/alternators only. If the problem is caused by Tianguan, the seller pays all shipping costs. The warranty does not apply to improper installation, water/fire damage, modifications, or any natural disasters.
Returns
If the return is caused by the consumer (non-defective return), consumer should be responsible for the shipping fee. The specific fee should be based on the express company you choose. If the item problem is caused by Tianguan, contact us before return item, we will provide refund/exchange/or other way to solve it.No refund/exchange to provide if no notification before sending back items beforehand. If customer received damaged product, customer need to send email to linda@tgautoparts.com in 72 hours of item delivered. Customer need to send pictures/videos(use to proof related issues) in emails, Tianguan will recognize the return reason/confirm the issue. Our team will feedback to customer asap. ◉ Damaged Item Damaged merchandise includes items that are damaged during shipping. If you receive the package and then find shipping damage, please save all packaging material and paperwork and contact us immediately by mail linda@tgautoparts.come or other way you have. ◉ Technical Support We highly recommend professional installation for all of our products. We are not accepting any exchange or returns due to improper installation.
Shipping
Orders usually been shipped out within 1-2business days after payment has been cleared, Delivery in 5-7 working days .Orders made on Saturdays, Sundays, and holidays will be processed on the next business day. If there is any problem on your order, please feel free to contact our team by email(linda@tgautoparts.com) Please ensure that the shipping address you provide is accurate. We are not responsible for undeliverable addresses. Shipping address of P.O. BOX, APO, FPO or State of HI, AK, VI, PR. will not accepted.
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