Fuel Pencil Injector 20671 — Single Unit Replacement for Case IH G188D & G207D Engines | 450, 450B, 455B, 480C, 580C, 586C, 1150, 1255, 1845 & 1845S

Finding quality pencil injectors for classic Case IH equipment can be a challenge — this brand-new 20671 fuel pencil injector is the precise, direct-fit solution for the G188D and G207D engines powering a wide range of Case IH crawlers, backhoe loaders, skid steers, and tractors. Pencil injectors are a unique design that requires an exact match for proper spray pattern and injection pressure — this OEM-equivalent replacement restores accurate fuel atomization and consistent combustion to the affected cylinder, eliminating the rough running, power loss, and hard starts that a worn pencil injector causes on these proven Case IH workhorses.

Why Choose This Injector?

• Single Unit — Replace Only What You Need — The cost-effective choice when diagnostics confirm one faulty pencil injector. Restore smooth, reliable operation to the affected cylinder without replacing the full set.
• Direct OEM-Equivalent Fit — Engineered to match Case IH 20671 pencil injector specifications for the G188D and G207D engines across the 450, 450B, 455B, 480C, 580C, 586C, 1150, 1255, 1845, and 1845S models. Installs without modifications.
• 100% New Aftermarket Part — Not rebuilt or remanufactured. Full service life and dependable long-term performance right out of the box, ready for the demanding seasonal and job site cycles of Case IH equipment operation.
• Restored Pencil Injector Fuel Atomization — Precise spray pattern and correct injection pressure restore proper combustion in the affected cylinder, recovering lost power, improving fuel efficiency, and eliminating rough running and black smoke.
• Hard-to-Find Replacement — Quality new pencil injectors for classic Case IH G-series engines are increasingly difficult to source. In stock and ready to ship from Fuel Parts Depot.
• Three Cross-Reference Part Numbers — Matches 20671, 20673, and A140829 for easy verification across multiple parts catalogs and confident ordering.

Compatible Part Numbers

20671 | 20673 | A140829

Compatible Case IH Engines & Models

Engines: Case IH G188D | G207D

Crawlers: Case IH 1150 | 1255

Backhoe Loaders: Case IH 480C | 580C | 586C

Crawlers/Dozers: Case IH 450 | 450B | 455B

Skid Steers: Case IH 1845 | 1845S

Product Details

• Part Number: 20671 / 20673 / A140829
• Injector Type: Fuel Pencil Injector
• Quantity: 1 Injector
• Condition: 100% New Aftermarket
• Compatible Brand: Case IH
• Equipment Type: Crawlers, Backhoe Loaders, Skid Steers, Tractors

Need to replace all four? Check out our 4-piece pencil injector set for a complete matched replacement and better overall value.

Don’t let a worn pencil injector sideline your Case IH equipment — order today while in stock and ship fast from Fuel Parts Depot.