Bosch 0445120303 Common Rail Fuel Injector A4720701287 for Detroit DD15 DD16 Gen 2

Overview

The Bosch 0445120303 is the OE-channel CRIN 4.2 common rail diesel fuel injector for Detroit Diesel DD15 (14.8L) and DD16 (15.6L) second-generation (Gen 2) engines. It is the same injector as the aftermarket new-part number Bosch 0445120302. Each injector is bench-tested before dispatch and ships ready to install.

Parameters

Brand: Bosch
Part Number: 0445120303
Type: Common rail diesel fuel injector (CRIN 4.2)
Engines: Detroit DD15 14.8L, DD16 15.6L (Gen 2)
OE Number: A4720701287
Condition: New

Fitment

Detroit DD15 (14.8L) Gen 2; Detroit DD16 (15.6L) Gen 2 — Freightliner Cascadia, Western Star and other trucks running Gen 2 DD15/DD16 engines. Fitment is listed for reference only. Before ordering, please confirm with your VIN, or send us a photo of your old injector — we check fitment for free. Note: Gen 1 and Gen 2 injectors are different — check your old part number carefully.

Cross-Reference

Same engine, different generation — check your old part number: This is the Gen 2 injector. If your old injector is a Gen 1 part — Bosch 0445120207 or 0445120104, OE A4720700887 — you need the Gen 1 version instead: Bosch 0445120207 / Bosch 0445120104. Gen 1 and Gen 2 injectors are NOT interchangeable without verification — send us a photo of your old injector or your VIN on WhatsApp (+86 156 3802 2858) and we will confirm the right one for free.

After-Sales

Covered by our Shipping & Returns policy: wrong-item or defective returns within 15 days of delivery; core injectors carry a 6-month warranty. Orders are processed in 1–2 business days with tracking provided.

Why Buy From Us

We are a specialist diesel fuel injector supplier (Wuhan Ranyingyi Trading Co., Ltd., factory in Zhoukou, Henan, China) selling Denso, Bosch, Delphi and CAT injectors worldwide. Real stock, bench-tested parts, free fitment checking before you pay, and direct WhatsApp support from the seller — no middlemen.

FAQ

Q: How do I get the price?
A: Prices for this injector are quoted on request. Message us on WhatsApp (+86 156 3802 2858) with part number 0445120303 for the latest price — we reply fast.

Q: How do I confirm it fits my truck?
A: Send your VIN or a photo of the old injector’s number via WhatsApp — we verify fitment for free before you order.

Q: Is shipping included?
A: No. Freight is calculated for your address and confirmed with you via WhatsApp before dispatch.

Q: What warranty do I get?
A: 6-month warranty on this injector, per our Shipping & Returns policy.