Deutz D2.9 TD2.9 TCD2.9-Compatible Water Pump – Model-Matched

Variant-Level Fitment Check — Every Water Pump 4135550 is verified against engine serial range and casting number before dispatch to prevent port misalignment.

Technical Specifications

Application Suitability

Why the Same Water Pump 4135550 Number Ships in Multiple Formats Across Deutz Generations

The prefix alone — 413, 0413, or 0413- — does not determine fitment.

A Deutz engine plate might show a water pump reference as 4135550, while the same physical pump appears in older documentation as 0413-5550 or 04135550. The superseded chain from 4132077 through 4135550 to 4162751 means a machine carrying an older number could accept a newer equivalent, but only if the bolt pattern, port position, and pulley shaft specification match the specific engine build. I have watched a machine sit idle for three days because a pump with the correct base number was installed on a block where the flange holes were offset by a few millimetres — a variant difference that no cross-reference table had flagged [NEED_CITE: Deutz engine serial range and water pump variant mapping practices].

Engine Serial Range and Variant Confirmation

Every Water Pump for Deutz D2.9 TD2.9 TCD2.9 carries the same base identifier, yet the actual fitment depends on the engine serial range and the specific build configuration. The D2.9 and TD2.9 families share a block architecture, but the turbocharged TD2.9 variants introduce different coolant routing that affects port orientation. The TCD2.9 series adds emission-related accessories that can shift the pump mounting position. Verification starts with the engine serial number and, when available, the casting number on the existing pump housing.

Port Orientation, Bolt Pattern, and Pulley Interface

The critical dimensions that separate a working fitment from a costly mismatch include the mounting bolt pattern, coolant port positions, and the pulley shaft specification. On Deutz D2.9 4L blocks, the water pump mounts with a specific hole spacing that differs from the earlier D2-9L04 configuration. The pulley interface must match the existing belt drive setup — wrong spline count or shaft diameter means the pulley cannot be transferred from the old pump [NEED_CITE: Deutz D2.9 family water pump mounting pattern variations]. Port orientation determines whether existing coolant hoses reach without modification, which matters when the machine is already down and hose fabrication is not an option.

Reading Superseded Numbers and Prefix Variants

Deutz has used several numbering conventions over the production life of the D2.9 engine family. The same water pump can carry a 413 prefix, an 0413 prefix, or an 0413- prefix with a hyphen. Older machines often show superseded numbers like 4132077 or 4134280 on the original pump casting. These numbers map to the current 4135550 reference through a documented cross-reference chain, but the mapping must be confirmed against the engine serial range — a superseded number does not automatically guarantee the physical interface is unchanged across all production runs.

The Cost of Installing the Wrong Variant

A water pump that bolts on but has misaligned ports forces the technician to bend or replace coolant hoses, introducing stress points that fail under vibration. A pump with the wrong pulley shaft specification means the existing pulley cannot be reused, adding unplanned parts and downtime. In the worst case, a pump that physically fits but circulates coolant at the wrong flow rate for the engine variant causes overheating under load — a failure that does not show up at idle but destroys an engine head gasket within the first working shift [NEED_CITE: coolant flow rate mismatch effects on Deutz TCD2.9 engine thermal management].

Sourcing With Verified Fitment Data

Our approach combines in-house production oversight with qualified sourced supply under one account and one warranty. The technical team confirms engine model, serial range, and variant before dispatch. Cross-reference verification covers the full superseded number chain from 4132077 through 4162751, including prefix format variations. We support identification from a part number, machine model, photograph, or nameplate image when the original casting number is worn or painted over. Single-piece sample supply is available for physical fitment confirmation before committing to a bulk order across a mixed Deutz-powered fleet.

Documentation & Verification

• Commercial invoice and packing list referencing confirmed engine serial range and variant
• Cross-reference sheet mapping superseded numbers 4132077, 4134280, and prefix variants (reference only)
• Dimensional inspection record covering bolt pattern, port spacing, and pulley shaft specification
• Warranty terms document covering 3-12 month period with fitment condition requirements
• Packing photographs showing protective packaging and part identification labels before dispatch
• HS code and customs documentation support with accurate product classification

Fitment Check Before Installation

• Compare bolt hole spacing on new pump against old pump or block face before removing protective caps
• Verify coolant port orientation matches existing hose routing; note any required hose adjustment
• Check pulley shaft diameter and spline count against original pump to confirm pulley transfer compatibility
• Dry-fit the pump without sealant first to confirm alignment before final installation
• If casting number on old pump is readable, cross-reference it against the supplied verification sheet
• Report any dimensional mismatch immediately; do not force-fit or modify mounting surfaces

Inquire With Fitment Details

To confirm compatibility, provide the Deutz engine model, engine serial number, and — when available — a photograph of the existing water pump casting number or the machine nameplate. If the nameplate is worn, a photo of the pump and surrounding block area helps our technical team identify the correct variant and cross-reference the superseded number chain.

Frequently Asked Questions

Q: How do I confirm this water pump fits my specific Deutz engine when I only have the machine model? A: Share the machine model and any visible engine plate information. Our technical team cross-references the machine model to the Deutz D2.9, TD2.9, or TCD2.9 engine serial range and confirms the correct pump variant, including bolt pattern and port orientation, before dispatch. A photograph of the engine plate speeds up verification significantly.

Q: My old pump shows a different number such as 4132077 or 04134280 — is 4135550 the correct replacement? A: The 4135550 reference covers a superseded chain that includes 4132077 and 4134280. However, the correct replacement depends on your engine serial range and build variant. We verify the full cross-reference (reference only) against your specific engine to confirm physical interface compatibility before confirming the order.

Q: Why does the same pump appear under multiple reference numbers with different prefixes? A: Deutz has used several numbering formats across D2.9 engine generations — 413, 0413, and 0413- prefixes all appear in documentation. These prefix variations do not always indicate different parts. We map each format to the current reference and confirm which variant matches your engine serial range and physical interface requirements.

Q: I only have a photo of the old pump and no readable number — can you still identify the right part? A: Yes. A clear photograph of the pump housing, mounting flange, and port positions allows our team to identify the variant visually and cross-reference it against the Deutz engine family. We compare bolt pattern, port orientation, and pulley shaft details to confirm the correct Water Pump for Deutz D2.9 TD2.9 TCD2.9 before shipping.

Q: Can I order a single sample to verify fitment before placing a larger order? A: Sample supply is available with no minimum order quantity barrier. You receive one pump for physical fitment testing on your machine. Once fitment is confirmed, bulk pricing and consolidated dispatch can be arranged for the rest of your fleet.