Overhaul Contents Verified — each V2203 cylinder head gasket is cross-checked against the specific engine serial variant before dispatch, preventing missing seal scenarios on the rebuild bench.
Technical Specifications
| Parameter |
Value |
| Part Number |
6655159 |
| Product Type |
Head Gasket |
| Cross-Reference |
6655159 (reference only) |
| Machine Fitment |
Bobcat 753, 763, 773, 7753, BL370, S175, S185, B300, S150, S160, 331, 334, 337, 341, 5600; Kubota V2203, V2203 2EB – Tier II |
| Material |
Multilayer steel (MLS) with elastomeric coating |
| Condition |
New Aftermarket |
| Warranty |
6 months against manufacturing defects |
| MOQ |
1 piece |
| Certification |
ISO 9001 |
Application Suitability
| Engine System |
Related Components |
| Cylinder head sealing |
Overhaul gasket set, cylinder head bolts, valve stem seals |
| Combustion chamber integrity |
Piston ring set, cylinder liner, main and conrod bearings |
| Coolant and oil passage sealing |
Thermostat gasket, injector return line seals, rocker cover gasket |
| Exhaust port interface |
Exhaust manifold gasket, turbo mounting gasket where equipped |
Why Overhaul Kits Fail the V2203 Rebuild
A V2203 cylinder head gasket engine rebuild succeeds or fails based on whether the kit contents actually match the engine build sitting on the bench. Confirm the serial variant and previous rebuild history before opening any gasket box.
I spent years organizing Kubota V2203 documentation in our Guangzhou warehouse and watched the same pattern repeat: a rebuild shop tears down an engine, orders what the catalogue lists as a "complete" overhaul package, and then finds the block apart with a critical seal or grade-specific component missing. The engine sits on the stand waiting for a second delivery while the machine remains non-operational. [NEED_CITE: diesel engine overhaul completeness standards for compact industrial platforms]
The root issue is that V2203 and V2203 2EB – Tier II variants share a base architecture but differ in specific sealing surfaces and fastener specifications. A gasket set compiled for one variant leaves gaps on the other. This head gasket is supplied with verified compatibility against the target engine serial range, and we recommend confirming the full overhaul contents — including head bolts, valve stem seals, and adjacent gaskets — before the teardown begins.

Matching the Gasket to the Engine Serial Variant
The Kubota V2203 family spans multiple serial configurations, and the V2203 2EB – Tier II introduces changes that affect gasket geometry and material requirements. A V2203 cylinder head gasket engine rebuild must account for these differences at the ordering stage, not after the head is removed and the old gasket is off the block.
Previous Rebuilds Change What the Block Needs
Engines that have already been through one or more overhaul cycles may have had cylinder bores honed to an oversize or the deck surface machined to restore flatness. These operations alter the compression distance and the clamping load distribution across the head gasket. When ordering this head gasket, share the rebuild history so we can verify whether standard thickness is correct or whether an adjusted specification is needed for the current deck condition. [NEED_CITE: cylinder deck resurfacing effects on head gasket clamping load]
MLS Construction and High-Temperature Sealing
The multilayer steel construction with elastomeric coating addresses the thermal cycling that compact diesel engines experience under sustained load. MLS gaskets maintain sealing force across the combustion boundary because the steel layers provide structural resilience while the elastomeric coating fills micro-irregularities on the deck and head surfaces. For demolition and quarry applications where V2203 engines run extended daily hours, this material combination resists the exhaust port blowout that causes premature failure in single-layer replacements. The coating also contributes to coolant passage sealing without relying on surface sealants that can migrate into oil galleries.

The Cost of Installing Without Root Cause Analysis
Replacing a head gasket without diagnosing the failure that destroyed the original part is the most common path back to the teardown bench. Overheating from a blocked radiator, a warped head from a previous overheat event, or a cracked injector sleeve creating localized hot spots will destroy a new gasket just as quickly. The V2203 cylinder head gasket engine rebuild should include a flatness check on the head and block deck, a pressure test on the cooling system, and verification that the injection system is not creating uneven combustion temperatures. Skipping these steps turns a gasket replacement into a repeat failure cycle. [NEED_CITE: diesel engine head gasket failure root cause diagnostic procedures]
Why Source This Head Gasket Through XUNPO
Our Guangzhou facility handles both self-produced and qualified sourced cylinder components under one account and one warranty, so the V2203 head gasket and its matched overhaul components ship together. Eight product categories mean the gasket, head bolts, valve stem seals, and adjacent seals move as a single consignment rather than split orders from multiple suppliers. Minimum order is one piece, so a single emergency rebuild is never blocked by quantity thresholds. Part identification is supported through part number, machine model, photograph, or nameplate image when the original label is worn. Cross-reference verification covers superseded and alternate numbers to catch catalogue errors before they reach the bench. Sample supply is available for fitment confirmation before any bulk commitment.
Documentation & Verification
- Commercial invoice listing 6655159 with engine serial variant noted
- Compatibility and cross-reference sheet marked reference only for OEM numbers
- Dimensional inspection record covering gasket thickness and bore openings
- Six-month warranty terms against manufacturing defects included with shipment
- Packing photographs showing gasket protected against transit deformation
- HS code and customs documentation for international clearance support
Installation & Rebuild Sequence
- Clean block deck and head surface to bare metal before gasket placement, no sealant on MLS coating
- Verify head bolt condition and replace if stretch exceeds specification for V2203 variant
- Torque head bolts in the manufacturer sequence to achieve even clamping across all cylinders
- Check valve timing and injector seating before first cranking after head installation
- Run initial break-in under graduated load to seat the elastomeric coating to mating surfaces
Request a Fitment-Confirmed Quote
Provide your V2203 or V2203 2EB – Tier II engine serial number along with any known rebuild history so we can confirm the correct gasket specification and matched overhaul contents. If the engine plate is worn, a photograph of the block casting number or the old gasket is sufficient for identification.
Frequently Asked Questions
Q: What other components should be replaced during a V2203 head gasket change?
A: Head bolts should be replaced because torque-to-yield fasteners lose clamping accuracy after removal. Valve stem seals, the rocker cover gasket, and thermostat housing seal are typically included in a complete overhaul set. Confirm the full contents list matches your specific V2203 serial variant before starting teardown.
Q: Does the overhaul kit include every seal this engine build requires?
A: Generic overhaul kits often omit seals specific to certain V2203 production runs or Tier II emission variants. We cross-check the kit contents against your engine serial number to flag any missing items before dispatch, preventing a partially disassembled engine waiting on a second delivery.
Q: How do engine serial variants affect head gasket fitment?
A: The V2203 and V2203 2EB – Tier II share base dimensions but differ in certain sealing surfaces and coolant passage layouts. Installing a gasket intended for the wrong variant risks coolant leaks or combustion blow-by. Always confirm the exact variant when ordering.
Q: What system-level fault causes premature head gasket failure on the V2203?
A: Sustained overheating from restricted coolant flow, a warped cylinder head, or uneven combustion from a failing injector creates localized stress that destroys the gasket. Replacing the gasket without addressing the root cause leads directly to repeat failure and a second teardown.
Q: How do I confirm the correct gasket for a previously rebuilt engine?
A: A prior rebuild may have machined the deck surface or changed bore dimensions, altering the required gasket thickness. Share the rebuild history and current measurements so we can verify the specification matches the engine as it stands today, not as it left the factory.