Overhaul Gasket Kit 1G823-99354 – Cross-Reference for Kubota D902

Variant-Level Fitment — We cross-check every D902 suffix and serial range before confirming this overhaul gasket kit ships to your engine build.

Technical Specifications

Application Suitability

When the Part Number Is Right but the Gasket Holes Do Not Align

An Overhaul Gasket Kit for Kubota D902 must match the engine serial variant, not just the base model designation.

I have stood next to a machine in an Indonesian mining camp where the crew had the correct part number written on the requisition, yet the cylinder head gasket would not seat. The bolt holes were offset by a small but critical margin. The D902 platform has been through several engineering revisions, and part numbers such as 1G823-99354, 1G960-99363, and 1G962-99365 have been superseded and re-assigned across different production runs. Cross-reference tables copied between sellers frequently carry forward outdated mappings [NEED_CITE: engine gasket supersession tracking in compact diesel platforms]. When the kit arrives and does not fit, the machine stays down and the next shipment is days away.

Mapping Every D902 Suffix to the Correct Gasket Set

The D902 family extends well beyond the base designation. Sub-models like D902-E3B-MRG-1, D902-E4B-SKL-1, and D902-E2B-WDDE-3 each carry application-specific modifications that can alter gasket geometry. This Overhaul Gasket Kit for Kubota D902 covers the full variant range, but confirming the right kit requires the complete suffix string from your engine plate. We verify each order against our cross-reference database before dispatch so the gasket set you receive matches the exact build that left the factory.

Interface Verification Beyond the Part Number

Gasket fitment on the D902 series depends on more than bolt-hole alignment. The oil pan gasket must match the sump profile, which changed between early E2B and later E4B configurations. The valve cover gasket on emission-tier engines uses an integrated silicone bead that seals differently from the flat-cut cork-rubber type on earlier models. We compare port positions, thermostat housing cutout shape, and injector sleeve clearance against your engine serial number [NEED_CITE: compact diesel engine gasket interface tolerances]. If any interface discrepancy surfaces during our pre-ship check, we flag it before the kit leaves the warehouse.

What the Material Specs Mean in the Field

The cylinder head gaskets in this kit use multi-layered steel construction, which maintains clamping load across the thermal cycling typical of continuous-duty D902 applications in compact excavators and skid steers. The oil pan gaskets are rated for sustained operation up to 120°C, addressing the elevated sump temperatures found when these engines run under heavy hydraulic load in dusty conditions. The valve cover gaskets feature integrated silicone beads that provide a positive seal against the stamped-steel cover, reducing the seepage that commonly develops around the rocker cover on older flat-gasket designs. Each material choice targets a specific failure mode observed across the D902 service life.

The Hidden Cost of a Close-Enough Fit

A gasket kit that almost fits creates two kinds of loss. First, the machine sits idle while a replacement ships, extending downtime well past the planned overhaul window. Second, a gasket forced into place with misaligned coolant or oil passages will leak within the first hundred hours, forcing a second teardown. In a fleet environment, that means the same engine bay gets opened twice, consuming double the labor and a second set of seals and fluids [NEED_CITE: cost impact of repeat engine teardowns in fleet maintenance]. We treat fitment certainty as the baseline requirement, not an optional upgrade.

Why Source This Kit Through XUNPO

Our own production lines and qualified sourcing partners operate under a single warranty, so every gasket in this kit carries the same quality terms regardless of which facility pressed it. We stock eight equipment categories under one account, meaning if your D902 overhaul also needs piston rings, main bearings, or a water pump, the full list ships in one consignment. Minimum order is one piece — no forced multiples for a single emergency rebuild. Our technical team identifies the correct kit from a part number, machine model, photograph, or nameplate image, and we verify superseded cross-references before confirming the order. Sample supply is available so you can physically check fitment before committing to bulk quantities across a mixed fleet.

Documentation & Verification

• Commercial invoice and packing list referencing 1G823-99354 and all applicable cross-reference numbers (reference only)
• Part compatibility sheet mapping your engine serial to the specific D902 variant gasket set
• Dimensional inspection record confirming bolt-hole spacing and oil pan profile before dispatch
• Warranty terms covering manufacturing defects for 3 to 12 months from receipt
• Packing photographs showing kit contents and sealing condition prior to crate closure
• HS code and customs documentation support for international shipment

Fitment Check Before Installation

• Lay each gasket against the mating surface and confirm every bolt hole, coolant passage, and oil gallery aligns before applying sealant.
• Compare the new cylinder head gasket fire ring diameter and thickness against the removed gasket to verify correct compression height.
• Check the valve cover gasket silicone bead orientation matches the groove direction on your specific D902 variant cover.
• If any oil pan gasket lobe does not sit flush against the sump flange, stop and photograph the mismatch for our technical review.

Tell Us What You Have, and We Will Confirm What Fits

Send us your complete engine model suffix — for example D902-E3B-MRG-2 — along with the engine serial number from the plate or casting. If the plate is unreadable, a clear photograph of the block casting number and the old gasket laid flat on a contrasting surface allows us to identify the correct kit. For fleet orders covering several D902 variants, provide the machine list and we will return a line-by-line fitment confirmation before you commit.

Frequently Asked Questions

Q: How do I confirm this gasket kit fits my specific D902 variant? A: Provide the full engine model suffix from your nameplate — such as E2B, E3B, or E4B — along with the engine serial number. We cross-check these against our supersession database to confirm the head gasket layer count, oil pan profile, and valve cover bead type all match your exact engine build before the kit ships.

Q: My part number is 1G960-99364 — is it superseded and does this kit replace it? A: Yes, 1G960-99364 is among the superseded numbers mapped to this kit. Send us your engine serial number so we can verify that the supersession path leads to the correct gasket set for your specific D902 production run, as some mid-range serial blocks use a different oil pan gasket profile.

Q: Why are there so many different part numbers listed for the same gasket kit? A: The D902 platform has been revised across multiple production generations, and each revision may shift gasket dimensions slightly. Numbers like 1G823-99354, 1G960-99363, and 1G962-99365 were assigned at different points in that timeline. Our cross-reference list (reference only) maps all known valid numbers to the correct current kit.

Q: I only have my machine model — can you identify the correct kit? A: Yes. Machines like the SCL1000 or ZD1021 use specific D902 variants that we can trace through our application database. Supply the machine model and, if possible, a photo of the engine nameplate or block casting number. We will return the confirmed kit match and any variant notes before you place the order.

Q: Can I order a sample to verify fitment before placing a larger order? A: Yes. We supply individual sample kits so you can open the packaging, lay the gaskets against your engine surfaces, and confirm every hole, passage, and flange aligns correctly. Once fitment is verified on your bench, we proceed with the bulk quantity against the same verified specification.